//www.gh-pc.com/pipe-fittings/pipe-fittings/ 2016 - 11 - 08 - t21:25:25 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/PIPEFITTINGS.jpg PIPEFITTINGS //www.gh-pc.com/news/industry-news/2017-promising-year-chinas-steel/ 2017 - 02 - 24 - t10:41:57 +喂饲 //www.gh-pc.com/news/industry-news/development-tendency-seamless-steel-pipes-2017/ 2017 - 02 - 24 - t10:42:25 +喂饲 //www.gh-pc.com/inspection-center/inspection-center/ 2017 - 02 - 27 - t11:43:34 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/11.jpg 检测中心 //www.gh-pc.com/乐动官网网址project/project-field/oil-gas/gas-exploration-columbia/ 2017 - 02 - 27 - t13:58:19 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512060116362055.jpg 天然气勘探在哥伦比亚 天然气勘探在哥伦比亚 //www.gh-pc.com/乐动官网网址project/project-field/petroleum-pipeline-serbia/ 2017 - 02 - 27 - t14:01:44 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512060244197318.jpg 石油管道在塞尔维亚 石油管道在塞尔维亚 //www.gh-pc.com/乐动官网网址project/project-field/oil-transport-brazil/ 2017 - 02 - 27 - t14:05:50 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Oil-Transport-in-Brazil.jpg 在巴西石油运输 在巴西石油运输 //www.gh-pc.com/乐动官网网址project/project-field/oil-gas/oil-refinery-kazakhstan/ 2017 - 02 - 27 - t14:07:56 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Oil-Refinery-in-Kazakhstan.jpg 炼油厂在哈萨克斯坦 炼油厂在哈萨克斯坦 //www.gh-pc.com/乐动官网网址project/project-field/oil-gas/oil-refinery-angola/ 2017 - 02 - 27 - t14:10:23 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/oil-refinery-in-Angola.jpg 炼油厂在安哥拉 炼油厂在安哥拉 //www.gh-pc.com/乐动官网网址project/project-field/construction/municipal-engineering-peru/ 2017 - 02 - 27 - t14:28:55 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Municipal-Engineering-in-Peru.jpg 市政工程在秘鲁 市政工程在秘鲁 //www.gh-pc.com/clients-and-cases/cases/ 2017 - 03 - 06 - t15:36:36 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/cases.jpg 情况下 //www.gh-pc.com/news/company-dynamic/welcome-egypt-client-visit-hebei-abter/ 2017 - 04 - 10 - t14:05:33 +喂饲 //www.gh-pc.com/news/products-news/application-of-internal-and-external-coating-steel-pipe/ 2017 - 05 - 03 - t11:15:08 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/05/Internal-and-External-Coating-Steel-Pipe.jpg 内部和外部的镀锌钢管 内部和外部的镀锌钢管 //www.gh-pc.com/clients-and-cases/clients-visit/client-visit/ 2017 - 06 - 05 - t09:33:06 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/07/CLIENTs.jpg 客户 //www.gh-pc.com/price/smlsastm-a106-grade-b-api5lgrbastma53-grb-price/ 2017 - 10 - 18岁t15:16:06 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/10/ASTM-A106-seamelss-steel-pipes.jpg ASTM A106 seamelss钢管 ASTM A106 seamelss钢管 //www.gh-pc.com/乐动官网网址project/project-field/pipe-pile-projects-spiral-steel-pipe-ssaw-projects/ 2017 - 12 - 23 - t23:36:17 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/12/2016112473940.jpg 管桩项目乐动官网网址 //www.gh-pc.com/clients-and-cases/customer-enquiry/2018-03-24-israeli-customer-inquiry/ 2018 - 03 - 24 t17:48:55 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/03/Large-Diameter-St-52-Seamless-Steel-Pipe.jpg API 5 l无缝钢线管 //www.gh-pc.com/clients-and-cases/customer-enquiry/dubai-customer-line-pipe-14-api5l-grb-psl2-seamless/ 2018 - 03 - 29 t11:43:21 +喂饲 //www.gh-pc.com/wp - content/uploads/2018/02/erw hfw高频感应-钢-管- api - 5 - l - sans719 nzs1163 - gr - b - c350 - 2. - jpg ERW-HFW-HFI-Steel-Pipe-API-5L-SANS719-AS-NZS1163-GR-B-C350-2 电焊/ HFW /高频感应钢管API 5 l / SANS719 /像/ NZS1163 C350 GR。B //www.gh-pc.com/clients-and-cases/customer-enquiry/oman-company-to-buy-seamless-tube-for-steam-boiler-13crmo44-1-7335/ 2018 - 03 - 29 t12:21:19 +喂饲 //www.gh-pc.com/clients-and-cases/customer-enquiry/national-gas-authority-inquiry-coated-3mm-with-hd-pe-api-5l-grb-erw-pipes/ 2018 - 03 - 30 - t23:03:13 +喂饲 //www.gh-pc.com/wp - content/uploads/2018/03/225d6632 f690 fec6a6b79984.jpg——公元前4684 - 99 国家天然气项目——电阻焊管乐动官网网址 //www.gh-pc.com/clients-and-cases/customer-enquiry/list-of-api-5l-grade-x42-line-pipe-purchased-by-syria-homs-customers/ 2018 - 03 - 30 - t23:05:06 +喂饲 //www.gh-pc.com/wp content/uploads/2018/03/mkd - 54492. jpg Syria Homs customer projects - API 5L Grade X42 line pipe //www.gh-pc.com/clients-and-cases/customer-enquiry/purchase-inquiry-for-16-line-pipe-elbow-customers-from-pakistan/ 2018 - 04 - 02 - t00:00:57 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/Seamless-steel-pipe.jpg 无缝钢管 16“线管,无缝钢管 //www.gh-pc.com/clients-and-cases/customer-enquiry/texas-customer-trade-list-api-5l-x52-a105n-flange-wnrf/ 2018 - 04 - 02 - t21:15:01 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/LSAW-line-pipe.jpg api 5 l x52管线管 api 5 l x52管线管 //www.gh-pc.com/wp-content/uploads/2018/04/API-5L-LSAW-line-pipe.jpg API 5 l LSAW线管 API 5 l LSAW线管 //www.gh-pc.com/wp-content/uploads/2018/04/API-5L-liquefied-natural-gas-pipeline.jpg API 5 l液化天然气管道 API 5 l液化天然气管道 //www.gh-pc.com/clients-and-cases/customer-enquiry/tehran-contractors-purchase-list-seamless-steel-pipe-specifications/ 2018 - 04 - 03 - t13:11:59 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/cabon-steel-seamless-pipes.jpg cabon-steel-seamless-pipes A53无缝的,焊接一并钢管 //www.gh-pc.com/stock/api - 5 - l - gr - b -一并-钢-管-股票-价格- 2018 - 03 - 26/ 2018 - 04 - 06 - t17:45:54 +喂饲 //www.gh-pc.com/wp content/uploads/2018/04/steelpipe - 01. jpg 电阻焊管 焊管焊接碳钢pipeCarbon碳钢一并管道 //www.gh-pc.com/clients -和- cases/customer enquiry/egypt - ecc -组织-采购- astm - a53 - b -原理图- 80 -无缝钢pipe/ 2018 - 04 - 06 - t23:17:19 +喂饲 //www.gh-pc.com/wp - content/uploads/2018/02/erw hfw高频感应-钢-管- api - 5 - l - sans719 nzs1163 - gr - b - c350 - 2. - jpg ERW-HFW-HFI-Steel-Pipe-API-5L-SANS719-AS-NZS1163-GR-B-C350-2 电焊/ HFW /高频感应钢管API 5 l / SANS719 /像/ NZS1163 C350 GR。B //www.gh-pc.com/clients-and-cases/customer-enquiry/tubing-pipe-dst-seamless-renge-2-api-5ct-h2s-trim-for-saudi-arabia-乐动官网网址project/ 2018 - 04 - 06 - t23:25:18 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/2013090614301589.jpg API 5 ct油管管 API 5 ct油管管-管道 //www.gh-pc.com/clients-and-cases/customer-enquiry/low-temperature-steel-pipe-and-fittings-for-refrigeration-dhg-niro-plant/ 2018 - 04 - 08 - t00:28:36 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/oil-refinery.jpg 乐动官网网址项目:低温钢管及配件 低温钢管及配件 //www.gh-pc.com/clients-and-cases/customer-enquiry/provide-seamless-casing-tubing-psl-1-support/ 2018 - 04 - 08 - t22:08:08 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/2013090614301589.jpg API 5 ct油管管 API 5 ct油管管-管道 //www.gh-pc.com/clients-and-cases/customer-enquiry/tunisia-national-gas-authority-api-5l-grb-welded-pipes-x42x60/ 2018 - 04 - 08 - t22:15:52 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/p201702091023525934791.jpg API 5L GRB Welded pipes ×X60电焊管,lsaw管道 //www.gh-pc.com/clients-and-cases/customer-enquiry/uk-customers-a106-a53-seamless-pipe-and-butt-weld-pipe-fittings/ 2018 - 04 - 11 - t18:57:25 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/10/ASTM-A106-seamelss-steel-pipes.jpg ASTM A106 seamelss钢管 ASTM A106 seamelss钢管 //www.gh-pc.com/wp-content/uploads/2018/04/20171017_134456.jpg 英国的客户 //www.gh-pc.com/clients -和- cases/customer enquiry/seamless -管-合金- 20 - uns08020原理图- 40 - 80 -孟加拉国石化产业——co/ 2018 - 04 - 17 - t23:43:29 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/A-SA335-P5-Seamless-Steel-Pipe-Seamle.jpg SA335 P5无缝钢管 //www.gh-pc.com/stock/en10210 - s235jrh无缝的钢-管-股票-价格-日期- 2018 - 04 - 17/ 2018 - 04 - 17 - t23:45:34 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/Seamless-steel-pipe.jpg 无缝钢管 16“线管,无缝钢管 //www.gh-pc.com/stock/black-long-elbow-bs1965-stock-date2018-04-17/ 2018 - 04 - 17 - t23:50:13 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/alloy-steel-buttweld-fittings.jpg alloy-steel-buttweld-fittings alloy-steel-buttweld-fittings //www.gh-pc.com/clients-and-cases/customer-enquiry/requirement-for-pipe-fittings-material-for-dg-infrastructure-pvt-ltd/ 2018 - 04 - 17 - t23:55:04 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/02.jpg BW配件和钢管 BW配件和钢管 //www.gh-pc.com/clients-and-cases/customer-enquiry/a335-alloy-steel-pipe-grade-p5-p11-for-brazilian-petrobras-company-grade-p5-p11/ 2018 - 04 - 22 - t18:16:31 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/a335-allloy-steel-p11-pipe.jpg a335 allloy-steel-p11-pipe ASTM A335 P5合金管 //www.gh-pc.com/clients-and-cases/customer-enquiry/api-5l-grade-b-carbon-steel-pipe-40ansi-b16-25-for-kuwait/ 2018 - 04 - 25 - t22:26:07 +喂饲 //www.gh-pc.com/wp - content/uploads/2018/03/225d6632 f690 fec6a6b79984.jpg——公元前4684 - 99 国家天然气项目——电阻焊管乐动官网网址 //www.gh-pc.com/wp-content/uploads/2018/04/201705221403203335173.png 1. png //www.gh-pc.com/wp-content/uploads/2018/04/201705221405194391246.jpg 1. jpg //www.gh-pc.com/wp-content/uploads/2018/04/201705221404283000690.jpg 40. jpg //www.gh-pc.com/clients-and-cases/customer-enquiry/a106-grade-b-carbon-steel-pipe-for-hotwater-boiler/ 2018 - 04 - 25 - t22:38:48 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/carbon-steel-pipe.jpg carbon-steel-pipe carbon-steel-pipe、锅炉管道 //www.gh-pc.com/wp-content/uploads/2018/04/astm-a106-b-chemical-composition.jpg astm b a106化学成分 //www.gh-pc.com/wp-content/uploads/2018/04/astm-a106-b-mechanical-properties-tensile-and-yield-strength.jpg astm a106 b机械性能强度和屈服强度 //www.gh-pc.com/clients-and-cases/customer-enquiry/erw-weleded-pipe-for-water-supply-乐动官网网址project-in-ethiopia-api-5l-grade-x52-erw/ 2018 - 04 - 28 - t20:12:37 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/HTB1Oi8pOpXXXXbiXXXXq6xXFXXX5.jpg 电阻焊焊接黑色API 5 l X52管线钢管 //www.gh-pc.com/wp-content/uploads/2018/04/HTB1TnoqiLNNTKJjSspf762XIFXa6.png ASTM一并SAWL API x52低碳不锈钢无缝钢管为陆上天然气和石油管道 //www.gh-pc.com/wp-content/uploads/2018/04/HTB1QehgnMMPMeJjy1Xc760pppXaX.png ASTM一并SAWL API x52低碳不锈钢无缝钢管为陆上天然气和石油管道 //www.gh-pc.com/乐动官网网址project/k55-casing-pipe-project-for-azerbaijan-and-kazakhstan-oilfield/ 2018 - 04 - 28 - t20:15:55 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/API-5CT-Seamless-Casing-Steel-Pipe-Psl1-BcLC.jpg API 5 ct无缝套管钢管Psl1 BcLC API 5 ct无缝套管钢管Psl1 BcLC //www.gh-pc.com/clients -和- cases/customer enquiry/steel无缝管- din - 1629 - 17210 - egypt/ 2018 - 05 - 15 - t13:35:59 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/05/Seamless-Carbon-Steel-Pipe.png 无缝碳钢管 无缝碳钢管 //www.gh-pc.com/clients-and-cases/customer-enquiry/k-55-casing-20-inch-for-pakistan/ 2018 - 05 - 15 - t15:23:26 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/201802071657024844083.jpg API 5 ct PSL1石油套管 API 5 ct PSL1石油套管 //www.gh-pc.com/inspection-report/aluminum-brass-tubes-inspection-report/ 2018 - 06 - 29 - t17:42:58 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/06/Aluminum-Brass-Tubes1.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Aluminum-Brass-Tubes2.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Tube-surface.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Tube-ends.jpg //www.gh-pc.com/wp-content/uploads/2018/06/packing.jpg //www.gh-pc.com/wp-content/uploads/2018/06/weighting.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Tension-test.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Test-pieces.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Hradness-test.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Test-piece.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Measuring-WT.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Measuring-OD.jpg //www.gh-pc.com/wp-content/uploads/2018/06/measure-length.jpg //www.gh-pc.com/wp-content/uploads/2018/06/length.jpg //www.gh-pc.com/clients-and-cases/customer-enquiry/tubos-a335-gr-p91/ 2018 - 10 - 16 - t20:53:59 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/06/Test-pieces.jpg 测试部分 //www.gh-pc.com/clients-and-cases/customer-enquiry/boiler-tube-to-a210-gr-a1-size-38-1mm-od-x-3-2mm-thick-enquiry/ 2018 - 10 - 16 - t20:59:31 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/09/6367054406692822162389723.jpg |的无缝钢管,无缝管中国制造商和供应商 //www.gh-pc.com/news/industry-news/asias-steel-trade-faces-multiple-challenges/ 2018 - 12 - 13 - t17:43:21 +喂饲 //www.gh-pc.com/octg-2/what-is-black-steel-pipe-the-definition-of-black-pipe/ 2019 - 02年- 15 - t10:31:57 +喂饲 //www.gh-pc.com/wp content/uploads/2019/01/1546917229 - 2968 tb1cijxbf9tbunjy0fcq6zeifxaf.jpg a53 gr.b一并黑碳钢材钢管 //www.gh-pc.com/wp content/uploads/2019/01/1546917155 - 8769 - astm - a500 -黑色-钢-管- 300 x168.jpg //www.gh-pc.com/wp content/uploads/2019/01/1546917229 - 7026 tb1wjs5brsybunjsspiq6xnzpxaa - 300 x205.jpg //www.gh-pc.com/wp content/uploads/2019/01/1546917229 - 4306 tb1605we4wybunjy1zkq6xggpxa3 - 300 x300.jpg //www.gh-pc.com/wp content/uploads/2019/01/1546917229 - 2968 tb1cijxbf9tbunjy0fcq6zeifxaf - 300 x300.jpg //www.gh-pc.com/line-pipe/steel-plate-and-steel-pipe-for-line-pipes/ 2019 - 02年- 15 - t10:32:38 +喂饲 //www.gh-pc.com/wp content/uploads/2019/01/steel -管-和-管- 900 x300.jpg steel-pipe-tube //www.gh-pc.com/structural-pipe/galvanized-steel-pipe-specification-size-theoretical-weight-table/ 2019 - 02年- 15 - t10:33:08 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/12/Hot-Sale-and-High-Quality-Pre-Galvanized-Welded-Steel-Round-Pipe.jpg ASTM A53黑色和镀锌钢管 //www.gh-pc.com/news/products-news/astm-a789-asme-sa789-astm-a790-asme-sa790-stainless-steel-seamless-pipe/ 2019 - 02年- 15 - t11:05:44 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/09/1.png 1薄/厚壁厚无缝不锈钢管 //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE20160907141042.png 碳钢管 //www.gh-pc.com/news/products-news/carbon-steel-pipetube-api-5l-for-natural-gas-and-oil-using/ 2019 - 02年- 15 - t11:10:40 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE20160905143549.png 焊接钢管 //www.gh-pc.com/wp-content/uploads/2016/09/packing.png 包装 //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE20160905143549.png //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE20160905143731.png 碳钢管道 //www.gh-pc.com/line-pipe/l235-l275-erw-welded-steel-pipe/ 2019 - 02年- 15 - t11:52:52 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE20160905143549.png 焊接钢管 //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE201609051437311.png L235焊接钢管 //www.gh-pc.com/line - pipe/common pipeline/astm a53 -钢-管- od - 210 mm/ 2019 - 02年- 20 - t16:02:29 +喂饲 //www.gh-pc.com/wp-content/uploads/2015/09/ERW.jpg 电阻焊钢管 电阻焊钢管 //www.gh-pc.com/wp-content/uploads/2016/09/packing1.png 包装 //www.gh-pc.com/news/how-is-the-theoretical-weight-of-spiral-steel-pipe-calculated/ 2019 - 02年- 20 - t16:35:04 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/07/1-1FFQ61P41Y.jpg 管道涂层和安全 //www.gh-pc.com/news/corrosion-resistance-of-api-5l-pipeline-steel-with-coating-protection/ 2019 - 02年- 20 - t16:55:20 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/01/Corrosion-Resistance-of-API-X52-Carbon-Steel-pipe.jpg 耐腐蚀的API X52碳钢管 //www.gh-pc.com/wp-content/uploads/2019/01/KYU753CDM7RYYTKL4Y.png //www.gh-pc.com/wp-content/uploads/2019/01/Coating-Parameters.png //www.gh-pc.com/wp-content/uploads/2019/01/Test-sample-dimension.png //www.gh-pc.com/wp-content/uploads/2019/01/XRD-patterns-for-enamel-coating.png //www.gh-pc.com/wp content/uploads/2019/01/cross -截面扫描电镜图片- - - gp2118和b - t - 001和- magni%ef%ac%81cations - a1 - 200%——c3%97.png不同 //www.gh-pc.com/wp-content/uploads/2019/01/Coating-Thickness-Surface-Roughness-and-Adhesion-.png //www.gh-pc.com/structural-pipe/galvanized-steel-pipe-welds/ 2019 - 02年- 20 - t17:43:07 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/12/JIS-G3452-Pre-Galvanized-Steel-Pipe-for-Construction.jpg JIS-G3452-Pre-Galvanized-Steel-Pipe-for-Construction //www.gh-pc.com/news/galvanize-welding-steel-pipe/ 2019 - 02年- 20 - t18:07:29 +喂饲 //www.gh-pc.com/wp content/uploads/2018/12/jis - 2004 pre -镀锌钢-管- construction.jpg JIS - 2004 pre -镀锌钢-管-建设 //www.gh-pc.com/line-pipe/api-5l-grade-b-erw-line-pipe/ 2019 - 02年- 21 - t16:42:11 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/12/carbon-steel-erw-pipes-tubes.jpg carbon-steel-erw-pipes-tubes //www.gh-pc.com/wp-content/uploads/2018/12/API-5L-Grade-B-ERW-steel-erw-pipes-tubes.jpg //www.gh-pc.com/news/a333-grade-6-carbon-steel-in-pipelines/ 2019 - 02年- 21 - t17:31:05 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/12/A333-Grade-6-Low-Carbon-Steel-pipe.jpg 澳大利亚6年级低碳钢管 //www.gh-pc.com/wp-content/uploads/2018/12/A333-Grade-6-low-carbon-steel-sample-surface.png //www.gh-pc.com/wp-content/uploads/2018/12/Microstructure-of-A333-Grade-6-Low-Carbon-Steel-under-magnification-of-10X.png //www.gh-pc.com/wp-content/uploads/2018/12/Microstructure-of-A333-Grade-6-Low-Carbon-Steel-.png //www.gh-pc.com/wp-content/uploads/2018/12/Microstructure-of-the-Vickers-Indention-on-the-Specimen.png //www.gh-pc.com/structural-pipe/black-and-galvanized-steel-pipe/ 2019 - 02年- 21 - t17:48:37 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/12/Hot-Sale-and-High-Quality-Pre-Galvanized-Welded-Steel-Round-Pipe.jpg ASTM A53黑色和镀锌钢管 //www.gh-pc.com/wp content/uploads/2018/12/jis - 2004 pre -镀锌钢-管- construction.jpg //www.gh-pc.com/wp content/uploads/2018/12/jis g3452 - 2004 pre -镀锌钢-管- construction.jpg //www.gh-pc.com/wp-content/uploads/2018/12/JIS-G3452-Pre-Galvanized-Steel-Pipe-for-Construction.jpg //www.gh-pc.com/wp-content/uploads/2018/12/Hot-Galvanized-Welded-Steel-Round-Pipe.jpg //www.gh-pc.com/wp-content/uploads/2018/12/Galvanized-Threaded-Screawed-Steel-Pipe-with-One-Coupling-Another-Plastic-Cap.jpg //www.gh-pc.com/news/products-news/seamless-steel-tubeseamless-steel-pipe/ 2019 - 02年- 22 - t09:55:44 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/11/seamless-steel-tube.jpg 无缝钢管 //www.gh-pc.com/news/products-news/seamless-and-erw-stainless-steel-pipes/ 2019 - 02年- 22 - t10:05:27 +喂饲 //www.gh-pc.com/pipe-fittings/what-is-threaded-flange-and-usage-of-threaded-flange/ 2019 - 02年- 22 - t10:08:30 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/11/threaded-flange.jpg 螺纹法兰 //www.gh-pc.com/line-pipe/astm-a106-a53-gr-b-carbon-steel-erw-pipes/ 2019 - 02年- 22 - t10:16:59 +喂饲 //www.gh-pc.com/wp - content/uploads/2018/11/astm - 106 -年级- b -无缝pipes.jpg astm - b - 106 -年级- -无缝管道 //www.gh-pc.com/news/products-news/seamless-pipe-pipe-manufacturing-process/ 2019 - 02年- 22 - t10:31:15 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/12/Seamless-Pipe-Pipe-Manufacturing-Process.jpg 管制造工艺 //www.gh-pc.com/wp content/uploads/2018/11/1543541602 - 8913 hqdefault.jpg //www.gh-pc.com/wp content/uploads/2018/11/1543541602 - 5097曼内斯曼-塞-机- process.png 无缝钢管生产过程 //www.gh-pc.com/wp content/uploads/2018/11/1543541602 - 5295 -适应- -管- manufacturing.png 曼内斯曼自动轧管机管制造过程 //www.gh-pc.com/wp content/uploads/2018/11/1543541601 - 4828 hqdefault.jpg //www.gh-pc.com/wp content/uploads/2018/11/1543541602 - 1267 -伪造无缝管- 640 x360.jpg //www.gh-pc.com/wp - content/uploads/2018/11/1543541602 - 1541 xtrusion -过程-新- 768 x392.png //www.gh-pc.com/pressure-pipe/astm-a179-cold-drawn-seamless-pipe/ 2019 - 02年- 22 - t10:34:30 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/12/ASTM-A179-seamless-carbon-steel-tube.jpg ASTM-A179-seamless-carbon-steel-tube //www.gh-pc.com/line-pipe/common-pipeline/astm-a53-seamless-steel-pipe/ 2019 - 02年- 22 - t10:58:38 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/11/timg.jpg ASTM A53无缝钢管 //www.gh-pc.com/news/products-news/how-is-seamless-steel-pipe-produced/ 2019 - 02年- 22 - t14:52:52 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/pl15111641-1_8_24_inch_welded_oil_well_casing_pipe_api_5ct_psl1_psl2_with_black_varnish_surface_treatment.jpg 石油套管销售石油套管供应商质量 API 5 ct N80-Q无缝套管钢管 //www.gh-pc.com/wp - content/uploads/2018/10/1540734286 - 5549 - 2561 - e5c0868 size33 w640 h469 - 300 x220.jpg //www.gh-pc.com/line-pipe/common-pipeline/flange-anticorrosive-steel-pipe/ 2019 - 02年- 22 - t15:08:37 +喂饲 //www.gh-pc.com/wp content/uploads/2018/11/flange -防腐钢-管道- 1. jpg 法兰防腐钢管 //www.gh-pc.com/wp-content/uploads/2018/11/Flange-anticorrosive-steel-pipeing.jpg //www.gh-pc.com/news/products news/sch40 - 80 -无缝管-股票- 1 - 2 - 8/ 2019 - 02年- 22 - t16:04:00 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/LSAW-Dsaw-Carbon-Steel-Heavy-Thickness-Pipes.jpg LSAW-Carbon-Steel lsaw Heavy-Thickness-Pipes //www.gh-pc.com/clients-and-cases/customer-enquiry/30-inch-lsaw-api-5l-grade-x-46-3lpe-coated-steel-line-pipe-enquiry/ 2019 - 02年- 22 - t17:44:08 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/07/2016062710140679679.jpg 酸性介质线管 //www.gh-pc.com/clients -和- cases/customer enquiry/reducing -肘部-调查- astm - a234 gr - wpbasme b16转椅- 9 - 90 long/ 2019 - 02年- 22 - t17:44:10 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/10/stainlesssteel-buttweld-elbow-tee-reducer-fittings-manufacturer.jpg buttweld-elbow-tee-reducer-fitting //www.gh-pc.com/pressure-pipe/din17175-seamless-heat-exchanger-tubes/ 2019 - 02 - 25 - t16:27:21 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/10/Seamless-Steam-Boiler-Steel-Tubes-DIN17175-Pressure-Vessels-and-Boilers.jpg 无缝的蒸汽锅炉钢管DIN17175压力容器和锅炉 //www.gh-pc.com/news/products-news/how-to-calculate-the-pressure-capacity-of-seamless-steel-pipe/ 2019 - 02 - 25 - t16:57:38 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/09/241f95cad1c8a78631dbc72b6d09c93d70cf5026.jpg 无缝管,管(无缝的)|中国管道供应 //www.gh-pc.com/news/protective-coating-for-petroleum-pipe/ 2019 - 02 - 25 - t18:15:17 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/09/08.jpg 套管 //www.gh-pc.com/news/products-news/seamless-steel-pipe-vs-welded-steel-pipe/ 2019 - 02 - 26 - t10:09:45 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/10/steel-pipes-1-large.jpg 无缝钢管和焊接钢管 //www.gh-pc.com/news/products-news/what-is-the-difference-between-pipe-vs-tube/ 2019 - 02 - 26 - t10:19:36 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/07/1095339.jpg 水管道项目乐动官网网址 //www.gh-pc.com/news/industry-news/what-are-the-risks-of-natural-gas-pipeline-construction/ 2019 - 02 - 26 - t10:23:06 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/08/08ea9f5ecf6f4617a7a01e18d08034ea.jpg 天然气管道 api天然气管道 //www.gh-pc.com/inspection - report/astm a269 - 316 l不锈钢-管-检验- report/ 2019 - 02 - 26 - t10:52:15 +喂饲 //www.gh-pc.com/inspection-report/copper-fittings-inspection-report/ 2019 - 02 - 26 - t11:02:43 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/06/Pipe-coupling-copper-equal.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Pipe-coupling-copper-reducing.jpg //www.gh-pc.com/wp - content/uploads/2018/06/pipe肘-铜- = - 90% c2%b0.jpg //www.gh-pc.com/wp - content/uploads/2018/06/pipe肘-铜- = - 45% c2%b0.jpg //www.gh-pc.com/wp-content/uploads/2018/06/End-cap-copper.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Pipe-tee-copper.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Pipe-trap-copper-P%E2%80%99type.jpg //www.gh-pc.com/wp-content/uploads/2018/06/Pipe-saddle-2-hole.jpg //www.gh-pc.com/wp-content/uploads/2018/06/weight1.jpg //www.gh-pc.com/wp-content/uploads/2018/06/w2.jpg //www.gh-pc.com/wp-content/uploads/2018/06/m1.jpg //www.gh-pc.com/wp-content/uploads/2018/06/m2.jpg //www.gh-pc.com/wp-content/uploads/2018/06/I1.jpg //www.gh-pc.com/wp-content/uploads/2018/06/I2.jpg //www.gh-pc.com/wp-content/uploads/2018/06/WT1.jpg //www.gh-pc.com/wp-content/uploads/2018/06/WT2.jpg //www.gh-pc.com/wp-content/uploads/2018/06/P1.jpg //www.gh-pc.com/wp-content/uploads/2018/06/P2.jpg //www.gh-pc.com/wp-content/uploads/2018/06/P3.jpg //www.gh-pc.com/wp-content/uploads/2018/06/P4.jpg //www.gh-pc.com/wp-content/uploads/2018/06/P6.jpg //www.gh-pc.com/wp-content/uploads/2018/06/B.jpg //www.gh-pc.com/wp-content/uploads/2018/06/c.jpg //www.gh-pc.com/news/products-news/steel-pipe-coating-solution/ 2019 - 02 - 26 - t16:32:51 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/07/1-1FFQ61P41Y.jpg 管道涂层和安全 //www.gh-pc.com/news/products-news/water-pipeline-joining-methods-and-pipe-installation/ 2019 - 02 - 26 - t16:40:36 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/07/1095339.jpg 水管道项目乐动官网网址 //www.gh-pc.com/wp content/uploads/2018/07/figure - 1. -海沟- 1. - png //www.gh-pc.com/wp content/uploads/2018/07/figure - 2. -填充- - trench.png //www.gh-pc.com/wp content/uploads/2018/07/figure - 3. -海沟底部- 1. -袖png //www.gh-pc.com/wp content/uploads/2018/07/figure - 4. -管- joints.png //www.gh-pc.com/wp-content/uploads/2018/07/PIPETAOBLE.png //www.gh-pc.com/news/products - news/difference原理图- 40之间和原理图- 80钢- pipe/ 2019 - 02 - 26 - t17:19:29 +喂饲 //www.gh-pc.com/wp content/uploads/2018/04/schedule - 80 - astm - a53 price.jpg——管 进度- 80 astm - a53 -管-价格 astm-a53-pipe //www.gh-pc.com/wp-content/uploads/2018/06/J7UBFJSSVEF@IIZZN14H.png 钢管尺寸图(尺寸图) //www.gh-pc.com/news/products-news/the-difference-between-erw-steel-pipe-and-spiral-steel-pipe/ 2019 - 02 - 26 - t17:39:40 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/05/maxresdefault.jpg 螺旋钢管 ssaw钢管 //www.gh-pc.com/news/products-news/large-diameter-welded-pipe-main-production-process-description/ 2019 - 02 - 26 - t18:07:38 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/06/1_140321115039_1.jpg 大直径焊管 //www.gh-pc.com/news/products-news/steel-weight-calculation-formula/ 2019 - 02 - 27 - t17:14:06 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/cabon-steel-seamless-pipes.jpg cabon-steel-seamless-pipes A53无缝的,焊接一并钢管 //www.gh-pc.com/structural-pipe/black-steel-pipe-scaffolding-application/ 2019 - 02 - 27 - t17:25:48 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/HTB1QehgnMMPMeJjy1Xc760pppXaX.png 镀锌黑色脚手架钢管 ASTM一并SAWL API x52低碳不锈钢无缝钢管为陆上天然气和石油管道 //www.gh-pc.com/news/products-news/what-is-the-od-inner-diameter-nominal-diameter-of-steel-pipe/ 2019 - 02 - 27 - t17:28:27 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/carbon-steel-pipe.jpg carbon-steel-pipe carbon-steel-pipe、锅炉管道 //www.gh-pc.com/news/products-news/spiral-steel-pipe-manufacturing-process/ 2019 - 02 - 27 - t17:30:02 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/05/maxresdefault.jpg 螺旋钢管 ssaw钢管 //www.gh-pc.com/wp-content/uploads/2018/05/1-2-4b1.jpg //www.gh-pc.com/structural-pipe/galvanized-steel-pipe-knowledge/ 2019 - 02 - 27 - t18:00:13 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/05/GRADE-A-GRADE-B-ASTM-A53-schedule.jpg 热浸镀锌管 镀锌钢支架管 //www.gh-pc.com/octg-2/tubing-casing/casing-seamless-steel-api-5ct-k-55-8-5-8-9-5-8-for-cairo-egypt/ 2019 - 02 - 27 - t18:04:26 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/05/casing_1100_-_9_5_8_inch_casing_pipes_2_010.1200x0.jpg 套管_9_5_8_inch_casing_TUBING API 5 ct、API 5 b GOST 632 - 80 //www.gh-pc.com/line-pipe/api-5l-line-pipe-psl1-psl2/ 2019 - 02 - 27 - t18:07:14 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/Seamless-steel-pipe.jpg 无缝钢管 16“线管,无缝钢管 //www.gh-pc.com/octg-2/octg-corrosion-resistance-alloy-pipes-for-sour-gas-drilling-services/ 2019 - 02 - 27 - t18:20:27 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/05/API-5CT-Seamless-Tubing-Pipe-OCTG-Oil-Casing.jpg 石油管材API-5CT-Seamless-Tubing-Pipe-OCTG-Oil-Casing 石油管材K55套管 //www.gh-pc.com/news/products-news/the-difference-between-erw-ssaw-lsawuoe-steel-pipe/ 2019 - 02 - 27 - t18:30:00 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/ERW-HFW-HFI-Steel-Pipe-API-5L-SANS719-AS-NZS1163-GR-B-C350.jpg ERW-HFW-HFI-Steel-Pipe-API-5L-SANS719-AS-NZS1163-GR-B-C350 ERW-HFW-HFI管 //www.gh-pc.com/wp-content/uploads/2018/04/ERW-HFW-HFI-Steel-Pipe-API-5L-SANS719-AS-NZS1163-GR-B-C350.jpg //www.gh-pc.com/wp-content/uploads/2018/02/20159876247.jpg SSAW耐腐蚀管道 //www.gh-pc.com/wp-content/uploads/2018/04/LSAW-Dsaw-Carbon-Steel-Heavy-Thickness-Pipes.jpg lsaw Heavy-Thickness-Pipes //www.gh-pc.com/octg-2/api-5ct-psl-casing-tubing-product-specification-range/ 2019 - 02 - 27 - t18:36:28 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/API-5CT-Seamless-Casing-Steel-Pipe-Psl1-BcLC.jpg API 5 ct无缝套管钢管Psl1 BcLC API 5 ct无缝套管钢管Psl1 BcLC //www.gh-pc.com/clients-and-cases/customer-enquiry/welded-erw-steel-pipe-stock-price-from-china/ 2019 - 02 - 28 - t11:24:16 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/03/API_5L_ERW_pipe.jpg API_5L_x42_pipe线 //www.gh-pc.com/stock/astm-a53-gr-b-steel-pipes-stock-with-lower-cost-than-market/ 2019 - 02 - 28 - t11:46:24 +喂饲 //www.gh-pc.com/wp content/uploads/2018/04/schedule - 80 - astm - a53 price.jpg——管 进度- 80 astm - a53 -管-价格 astm-a53-pipe //www.gh-pc.com/wp content/uploads/2018/03/p201612151712050087691 - 1. jpg //www.gh-pc.com/clients-and-cases/customer-enquiry/iraqi-customers-purchase-list-ductile-iron-pipe/ 2019 - 02 - 28 - t11:51:28 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/cast-iron-pipe.jpg 球墨铸铁管 球墨铸铁管 //www.gh-pc.com/news/products-news/what-are-the-properties-and-uses-of-carbon-steel-and-alloy-steel/ 2019 - 02 - 28 - t11:56:58 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/alloy-steel-pipe.jpg 合金钢管 //www.gh-pc.com/wp-content/uploads/2018/04/carbon-steel-pipe.jpg carbon-steel-pipe //www.gh-pc.com/wp-content/uploads/2018/04/alloy-steel-buttweld-fittings.jpg alloy-steel-buttweld-fittings //www.gh-pc.com/octg-2/the-api-couplings-for-tubing-and-casing-pipe-size-and-specification/ 2019 - 03 - 05 - t10:47:19 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/2013090715195446.jpg 套管耦合 油管,套管耦合 //www.gh-pc.com/wp-content/uploads/2018/04/2013090715342741.jpg 套管耦合 //www.gh-pc.com/clients-and-cases/customer-enquiry/brussels-water-pipeline-api-5l-x52-psl2-pipe/ 2019 - 03 - 05 - t15:29:34 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/API-5L-PSL2-X52.jpg API-5L-PSL2-X52 API 5 l X成绩:X52 X56 X60 X65 X70焊接,无缝钢管 //www.gh-pc.com/wp-content/uploads/2018/04/crude-oil-line-pipe.jpg 碳钢API 5 l Gr。X52无缝钢管供应商 //www.gh-pc.com/news/products - news/what差异- - - - - - - - - astm a179 -管-和- din - 17175 pipe/ 2019 - 03 - 05 - t15:35:22 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/ASTM-A179-pipe-alloy-steel-t9-tube.jpg ASTM A179 pipe-alloy-steel-t9-tube ASTM A179低温碳钢管 //www.gh-pc.com/wp content/uploads/2018/04/din - 17175 pipe.jpg DIN 17175无缝钢管高温St35.8, St45.8, 17 mn4 19 mn5 15 mo3 13 crmo44 //www.gh-pc.com/clients-and-cases/customer-enquiry/stainless-steel-efw-pipes-astm-a358-gr-tp304-ci-5/ 2019 - 03 - 05 - t15:38:49 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/a672-pipe.jpg a672管 //www.gh-pc.com/clients-and-cases/customer-enquiry/petroleum-cracking-pipe-astm-a335-gr-p5/ 2019 - 03 - 05 - t15:43:08 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/alloy-steel-p5-pipes.jpg alloy-A335-p5钢铁管道 //www.gh-pc.com/乐动官网网址project/iranian-petrochemical-projects-a335-a312-a106-a53-gr-b-smls-pipe/ 2019 - 03 - 05 - t16:08:31 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/03/Irans-petrochemical-industry-seamless-steel-pipe-The-Iran-乐动官网网址Project.jpg 伊朗的石油化工,无缝钢管项目——伊朗乐动官网网址 //www.gh-pc.com/pressure-pipe/astm-a213-t9-t11-t22-t24-t91-superheater-reheater-alloy-pipe-standard-specification/ 2019 - 03 - 05 - t17:01:13 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/03/pl13420392-jis_g3454_cold_drawn_seamless_carbon_steel_boiler_tubes_random_length.jpg ASTM A213再热器管过热器管 //www.gh-pc.com/wp-content/uploads/2018/03/20161219083941_0f266f42.jpg //www.gh-pc.com/wp-content/uploads/2018/03/p201612151712050087691.jpg //www.gh-pc.com/news/products-news/comparison-of-international-specifications-of-tubular-products-and-their-materials/ 2019 - 03 - 05 - t17:04:01 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/03/stainlesssteel-weldedtubing-weldedpipe.jpg 合金不锈钢焊管 //www.gh-pc.com/pressure-pipe/seamless-steel-pipes-for-high-temperature-and-pressure-grade-standard-application-size/ 2019 - 03 - 05 - t17:13:50 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/03/2018031717303447165.png 无缝钢管在高温和压力 //www.gh-pc.com/wp-content/uploads/2018/03/stainless-steel-pipe-tube.jpg //www.gh-pc.com/news/products-news/alloy-stee-pipe-_-16mn-15crmo-35crmo-42crmo-2/ 2019 - 03 - 05 - t17:21:54 +喂饲 //www.gh-pc.com/wp pipes.jpg——content/uploads/2018/03/stainless -钢- 316 合金不锈钢-钢- 316管道 //www.gh-pc.com/line-pipe/common-pipeline/size-and-weight-of-seamless-roll-steel-pipe-scheduleasme-b36-10m-1996/ 2019 - 03 - 05 - t17:31:21 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/03/201411261539.jpg 无缝钢管 //www.gh-pc.com/news/products-news/api-5l-pipeline-psl1-vs-psl2-pipe-differences-summary/ 2019 - 03 - 05 - t17:34:28 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/03/Large-Diameter-St-52-Seamless-Steel-Pipe.jpg API 5 l无缝钢线管 //www.gh-pc.com/pressure-pipe/high-precision-pressure-pipe-_-fuel-pipe-series/ 2019 - 03 - 05 - t17:55:05 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/03/HTB1Rgq8bMfH8KJjy1zcq6ATzpXaL.jpg 高精度钢管冷拔无缝管柴油机 //www.gh-pc.com/wp-content/uploads/2018/03/HTB1MLVHaP3z9KJjy0Fmq6xiwXXah.jpg 高精度钢管冷拔无缝管柴油机 //www.gh-pc.com/wp-content/uploads/2018/03/HTB1XjqRHXXXXXaMXpXXq6xXFXXXD.jpg S45无缝中碳高精密冷拔钢管 //www.gh-pc.com/wp-content/uploads/2018/03/HTB1UkPXHXXXXXX8aXXXq6xXFXXX1.jpg //www.gh-pc.com/wp-content/uploads/2018/03/HTB1kOSTHXXXXXcJXXXXq6xXFXXXE.jpg //www.gh-pc.com/pressure-pipe/heatexchanger-stainless-steel-tube-boiler-_-stainless-steel-tube-boiler-heat-exchanger/ 2019 - 03 - 05 - t18:01:33 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/02/201571614511885804.jpg 不锈钢管锅炉 //www.gh-pc.com/wp-content/uploads/2018/02/20157161436563408.jpg //www.gh-pc.com/wp-content/uploads/2018/02/201571611442581302.jpg //www.gh-pc.com/structural - pipe/din en - 10210 -结构-管-化学-机械- properties/釉面墙地砖 2019 - 03 - 05 - t18:07:42 +喂饲 //www.gh-pc.com/wp content/uploads/2018/03/en - 10210 - 1 -年级- s420nh -碳- -无缝钢管和tubes.jpg en 10210无缝钢管 //www.gh-pc.com/wp-content/uploads/2018/03/20180303145745.jpg //www.gh-pc.com/line-pipe/common-pipeline/austenitic-stainless-steel-seamless-pipe/ 2019 - 03 - 05 - t18:35:02 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/02/Austenitic-Stainless-Steel-Seamless-Pipe.jpg 奥氏体不锈钢无缝管 //www.gh-pc.com/wp-content/uploads/2018/02/Austenitic-Stainless-Steel-Seamless-Pipe.jpg //www.gh-pc.com/line-pipe/light-gauge-stainless-steel-water-pipes-_-thin-walled-stainless-steel-tube/ 2019 - 03 - 05 - t18:40:15 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/02/14790461489501051.jpg 轻量不锈钢水管 //www.gh-pc.com/wp-content/uploads/2018/02/1-1G11G325333C.jpg //www.gh-pc.com/pressure-pipe/a335-a335m-alloy-steel-pipe-standard-specification-seamless-ferritic-alloy-steel-pipe-high-temperature-service/ 2019 - 03 - 05 - t18:41:55 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/02/2.jpg ASTM A335合金钢管 //www.gh-pc.com/wp-content/uploads/2018/02/Seamless-Ferritic-Alloy-Steel-Pipe-ASTM-A335.jpg 无缝铁素体合金钢管ASTM A335 //www.gh-pc.com/news/products-news/carbon-steel-pipe-bollards-steel-pipe-security-building-perimeters/ 2019 - 03 - 06 - t10:37:13 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/02/steel-pipe-bollards-galvanized.jpg 钢管护柱是由抵制的影响 镀锌钢管的护柱固定在包 //www.gh-pc.com/wp content/uploads/2018/02/bs1387 astm - a500 astm - a53 - en - 39 - bs en - 1139 -热浸镀锌钢-管-管-温室栏杆围墙- post -水-供应gas.jpg——自然 热浸碳钢管护柱- BS1387 ASTM A500 ASTM A53 En 39 BS En 1139 //www.gh-pc.com/wp content/uploads/2018/02/bs1387 astm - a500 astm - a53 - en - 39 - bs en - 1139 -热浸镀锌钢-管-管-温室栏杆围墙- post -水-供应-自然-气- 1. - jpg 镀锌钢管的护柱 //www.gh-pc.com/wp-content/uploads/2018/02/steel-pipe-bollards-sidewalk.jpg 护柱为驱动程序创建物理和视觉障碍 钢管保护pad-mounted变压器 //www.gh-pc.com/wp-content/uploads/2018/02/steel-pipe-bollards-skid.jpg 管短柱的帖子可以画在任何颜色 钢管捆在打滑的护柱涂上底漆 //www.gh-pc.com/wp-content/uploads/2018/02/stainless-steel-bollard-covers-hospital.jpg 带缆桩封面可以添加样式和可见性 不锈钢护柱覆盖与医院以外的反光条 //www.gh-pc.com/news/products-news/distinguish-hot-rolled-seamless-pipe-cold-rolled-seamless-pipe/ 2019 - 03 - 06 - t10:44:40 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/02/Carbon-Steel-Seamless-Pipe-API-for-Oil-and-Gas-Industry.jpg FOB Price: US $ 550-750 / Ton Min. Order: 25 Tons Type: SeamlessTechnique: Cold DrawnMaterial: Carbon SteelSurface Treatment: Oiled, Coated and So onUsage: Hydraulic/Automobile Pipe, Special PurposeSection Shape: Round China Supplier - Gold Member Audited Suppliers Qingdao Hengjia Steel Pipe Co., Ltd. Shandong, China ISO 9001, GMP, BRC, ISO 22000, ASME Contact Now Chat with Supplier. //www.gh-pc.com/wp - content/uploads/2018/02/astm a53 - a - 106 -碳-冷-拉-热- -无缝钢滚pipe.jpg 碳钢热轧无缝钢管 //www.gh-pc.com/wp - content/uploads/2018/02/astm a53 - a - 106 -碳-冷-吸引热轧制无缝钢-管- 1. jpg ASTM A53 / 106碳冷拔/热轧无缝钢管 //www.gh-pc.com/wp - content/uploads/2018/02/astm a53 - a - 106 -碳-冷-吸引热轧制无缝钢-管- 2. jpg 碳钢冷轧无缝钢管 //www.gh-pc.com/octg-2/wire-wound-screen-filter-pipe/ 2019 - 03 - 06 - t14:05:43 +喂饲 //www.gh-pc.com/pressure-pipe/low-temperature-seamless-steel-pipe-standard/ 2019 - 03 - 06 - t14:56:47 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/02/Low-temperature-pipe-seamless-steel-pipe.jpg 低温管道无缝钢管 //www.gh-pc.com/news/products-news/cut-3pe-anticorrosion-steel-pipe/ 2019 - 03 - 06 - t15:02:55 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/02/20159876247.jpg 3 pe涂层SSAW钢管 SSAW耐腐蚀管道 //www.gh-pc.com/wp-content/uploads/2018/02/HTB1UVVbPFXXXXXsapXX760XFXXX1.png 环氧树脂漆完成3 pe防腐螺旋钢管在油气管道 //www.gh-pc.com/wp-content/uploads/2018/02/HTB1wCp1PFXXXXXAXXXXq6xXFXXXA.jpg 环氧树脂漆完成3 pe防腐螺旋钢管在油气管道 //www.gh-pc.com/wp-content/uploads/2018/02/HTB1QeBGPFXXXXapXFXX760XFXXXo.png 环氧树脂漆完成3 pe防腐螺旋钢管在油气管道 //www.gh-pc.com/wp-content/uploads/2018/02/HTB13_FhPFXXXXbEaXXX760XFXXXl.png 环氧树脂漆完成3 pe防腐螺旋钢管在油气管道 //www.gh-pc.com/wp-content/uploads/2018/02/HTB1v_FtPFXXXXa3XVXXq6xXFXXXk.jpg 环氧树脂漆完成3 pe防腐螺旋钢管在油气管道 //www.gh-pc.com/news/products-news/use-epoxy-coating-pipe-definition-anticorrosive-steel-pipe/ 2019 - 03 - 06 - t15:14:55 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/01/83d3.jpg 3 pe管道环氧树脂涂层 //www.gh-pc.com/wp-content/uploads/2018/01/20170511014009465.jpg //www.gh-pc.com/line - pipe/astm a53 -黑色-镀锌管——18%————e2%80%b3/ e2%80%b3 - 26% 2019 - 03 - 06 - t15:22:30 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/01/China-Biggest-Pipe-Manufacturer-Youfa-Brand-Galvanized-Steel-Pipe.jpg 镀锌钢管/黑钢管 //www.gh-pc.com/wp-content/uploads/2018/01/Construction-Structure-Black-ERW-Carbon-Ms-Steel-Pipe-Round-Section-Made-in-China.jpg //www.gh-pc.com/wp-content/uploads/2018/01/China-Biggest-Pipe-Manufacturer-Youfa-Brand-Galvanized-Steel-Pipe.jpg //www.gh-pc.com/manufacturing-process/erw-steel-pipe-manufacturing-process/erw-spiral-weld-pipe-definition-manufacturing-process/ 2019 - 03 - 06 - t16:25:30 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/01/erw-Manufacturing-Process.png 一并生产过程 //www.gh-pc.com/wp-content/uploads/2018/01/erw-Manufacturing-Process.png //www.gh-pc.com/wp-content/uploads/2018/01/spiral-welded-steel-pipe-Manufacturing-Process.png //www.gh-pc.com/news/products-news/difference-casing-pipe-well-screen-pipe/ 2019 - 03 - 06 - t16:28:23 +喂饲 //www.gh-pc.com/news/casing-pipe-work-choose-casing-tubing/ 2019 - 03 - 06 - t16:32:54 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/01/casing.jpg 套管 //www.gh-pc.com/wp-content/uploads/2018/01/HIW_well_completion_1.jpg //www.gh-pc.com/wp-content/uploads/2018/01/HIW_casing_2.jpg //www.gh-pc.com/wp-content/uploads/2018/01/HIW_casing_3.jpg //www.gh-pc.com/structural-pipe/bearing-pile-for-construction-welded-pipe-piles/ 2019 - 03 - 06 - t16:38:01 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/ASTM-A252-steel-pipe.jpg 电阻焊管 //www.gh-pc.com/wp-content/uploads/2017/08/ASTM-A139-LSAW-Structural-pipes-and-pile-pipes-for-low-pressure-liquid-delivery.jpg ASTM A139 LSAW结构管道和桩管低压液体交付 //www.gh-pc.com/wp-content/uploads/2017/12/201706301129075805759.jpg //www.gh-pc.com/wp-content/uploads/2017/04/API-5L-line-pipe.jpg API 5 l无缝管线管 //www.gh-pc.com/octg-2/performing-casing-tubing-design/ 2019 - 03 - 06 - t17:27:39 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/12/casing_pipe_for_oil_well_drilling_6657_1.jpg 石油套管 //www.gh-pc.com/pressure-pipe/astm-a106-pipe-specifications/ 2019 - 03 - 06 - t17:50:35 +喂饲 //www.gh-pc.com/stock/galvanized-seamless-smls-steel-pipe-price-abter-steel-stock/ 2019 - 03 - 06 - t17:52:59 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/12/14814791196023.jpg 镀锌管 //www.gh-pc.com/news/products-news/products-significant-processes/ 2019 - 03 - 06 - t18:02:49 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/08/ERW-steel-pipewelded-steel-pipe.jpg 电阻焊钢管、焊接钢管 //www.gh-pc.com/wp-content/uploads/2017/03/JIS-G3452-ERW-carbon.jpg //www.gh-pc.com/wp-content/uploads/2017/09/ASTM-A106-seamless-steel-pipesCarbon-Seamless-Steel-PipeSMLS-Pipe-Tube.jpg //www.gh-pc.com/line-pipe/line-pipes-oil-gas/ 2019 - 03 - 06 - t18:04:39 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/12/Line-pipes-for-the-oil-and-gas-OIL-GAS-PIPES.jpg 线管的石油和天然气,石油,天然气管道 //www.gh-pc.com/pressure-pipe/astm-a179-seamless-carbon-steel-pipe-heat-exchange/ 2019 - 03 - 06 - t18:06:58 +喂饲 //www.gh-pc.com/structural-pipe/astm-a500-structural-carbon-steel-cold-formed-circular-profiled-welded-seamless-steel-pipe/ 2019 - 03 - 06 - t18:11:26 +喂饲 //www.gh-pc.com/engineering-tube/astm-a513-type-1-low-carbon-steel-tubings/ 2019 - 03 - 06 - t18:20:55 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/10/pl5403511-mechanical_cold_drawn_welded_steel_tube_astm_a513_dom_seamless_carbon_steel_tube.jpg 碳钢套管、ASTM A513碳钢管道 碳钢套管、ASTM A513碳钢管道 //www.gh-pc.com/octg-2/api-5ct-octg-casing-pipe-threaded-end-r1-r2-r3/ 2019 - 03 - 07 - t09:53:19 +喂饲 //www.gh-pc.com/wp content/uploads/2017/10/casing -管- 1. jpg 油井套管和油管 油井套管和油管 //www.gh-pc.com/octg-2/api-5ct-l80-oilfield-casing-tubing/ 2019 - 03 - 07 - t10:00:29 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/10/API-5CT-L80-Oilfield-Casing-And-Tubing.jpg API 5 ct L80油田套管和油管 API 5 ct L80油田套管和油管 //www.gh-pc.com/pressure pipe/en - 10216 - 2无缝锅炉pipes/——钢 2019 - 03 - 07 - t10:04:22 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/10/Boiler-Steel-Pipe.jpg 锅炉钢管 //www.gh-pc.com/octg-2/api-5ct-casing-pipe-american-petroleum-institute-api-specification-5ct-iso-119602001/ 2019 - 03 - 07 - t10:16:15 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/09/OCTG-API-5CT-TUBING-N80.jpg 石油管材API 5 ct油管歌曲到手机上 API 5 ct在年级J55套管/ K55歌曲到手机上 //www.gh-pc.com/news/products news/l - 80 n - 80套管-管-最低- - -套管轴向阻力load/崩溃 2019 - 03 - 07 - t10:17:33 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/09/timg.jpg API-5CT歌曲到手机上l80Casing管 年级歌曲到手机上L80钢套管、油田管道 //www.gh-pc.com/line pipe/en - 10208 - 2 -热- -无缝tube/滚 2019 - 03 - 07 - t10:32:09 +喂饲 //www.gh-pc.com/wp content/uploads/2017/09/en - 10208 - 2 -热- -无缝钢- pipes.jpg滚 EN 10208 - 2热轧无缝钢管 EN 10208 - 2热轧无缝钢管 //www.gh-pc.com/pressure-pipe/astmdinjisgost-seamless-boiler-steel-pipes-tubes/ 2019 - 03 - 07 - t10:49:49 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/08/Seamless-boiler-steel-pipes-and-tubes.jpg 锅炉无缝钢管和管 锅炉无缝钢管和管 //www.gh-pc.com/news/products-news/astm-a106-seamless-carbon-steel-pipes-vs-astm-53-seamless-carbon-steel-high-temperature-pipe/ 2019 - 03 - 07 - t10:52:09 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/09/ASTM-A106-seamless-steel-pipesCarbon-Seamless-Steel-PipeSMLS-Pipe-Tube.jpg ASTM A106 VS A53无缝钢管、碳无缝钢管,无缝的管,管 //www.gh-pc.com/news/products-news/astm-a53-vs-astm-a500-steel-pipes/ 2019 - 03 - 07 - t10:55:42 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/08/carbonsteel-pipe-type-a500-carbonsteel-seamless-pipe.jpg ASTM a500碳钢无缝管 ASTM a500碳钢无缝管 //www.gh-pc.com/line-pipe/high-frequency-electric-weld-erw-line-pipeerw-casing-pipe/ 2019 - 03 - 07 - t10:57:34 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/08/ERW-steel-pipewelded-steel-pipe.jpg 电阻焊钢管、焊接钢管 //www.gh-pc.com/pressure-pipe/astm-a192-high-pressure-steel-boiler-tube/ 2019 - 03 - 07 - t10:59:09 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/08/ASTM-A192-High-pressure-Steel-Boiler-Tube.jpg ASTM A192高压锅炉管 ASTM A192高压锅炉管 //www.gh-pc.com/pressure-pipe/astm-a106-seamless-steel-pipescarbon-seamless-steel-pipesmls-pipe-tube/ 2019 - 03 - 07 - t11:35:10 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/08/ASTM-A106-seamless-steel-pipesCarbon-Seamless-Steel-PipeSMLS-Pipe-Tube.jpg ASTM A106无缝钢管、碳无缝钢管,无缝的管,管 ASTM A106无缝钢管、碳无缝钢管,无缝的管,管 //www.gh-pc.com/line-pipe/api-5l-lsaw-transmission-steel-pipe-natural-gas-petroleum/ 2019 - 03 - 07 - t11:37:25 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/08/LSAW-Transmission-steel-pipe.jpg LSAW输送钢管 LSAW输送钢管 //www.gh-pc.com/line-pipe/common-pipeline/astm-a139-lsaw-structural-pipes/ 2019 - 03 - 07 - t11:56:54 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/08/ASTM-A139-LSAW-Structural-pipes-and-pile-pipes-for-low-pressure-liquid-delivery.jpg ASTM A139 LSAW结构管道和桩管低压液体交付 ASTM A139 LSAW结构管道和桩管低压液体交付 //www.gh-pc.com/line-pipe/api5l-psl1-psl2-carbon-seamless-steel-pipeline-grade-bc/ 2019 - 03 - 07 - t15:09:40 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/07/API5L-PSL1-and-PSL2-Carbon-Seamless-steel-Pipeline-Grade-BC-.jpg API5L PSL1和PSL2无缝碳钢管道等级BC API5L PSL1和PSL2无缝碳钢管道等级BC //www.gh-pc.com/pressure pipe/din - 17175 - oilfiled无缝钢-锅炉管和pipes/——锅炉 2019 - 03 - 07 - t15:13:21 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/05/DIN17175-Seamless-Steel-Pipes.jpg DIN17175无缝钢管 DIN17175无缝钢管 //www.gh-pc.com/octg-2/api-5dp-oil-casing-and-tubing-water-well-drill-pipe/ 2019 - 03 - 07 - t15:14:35 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/05/API-5DP-oil-casing-and-tubing-water-well-drill-pipe.png API 5 dp石油套管和油管水井钻杆 API 5 dp石油套管和油管水井钻杆 //www.gh-pc.com/line-pipe/en10217-1-erw-steel-tubes-for-pressure-purposes/ 2019 - 03 - 07 - t15:57:31 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/07/ERW-transmission-steel-pipes.jpg 电阻焊钢管传输 电阻焊钢管传输 //www.gh-pc.com/line-pipe/astm-a53-gr-b-black-carbon-steel-pipe-for-oil-and-gas-pipelines/ 2019 - 03 - 07 - t16:02:50 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/06/black-steel-pipes-tubes-astm-a335-manufacturer.jpg 黑色钢管管astm a335制造商 黑色钢管管astm a335制造商 //www.gh-pc.com/line-pipe/astm-a53-grade-b-carbon-steel-seamless-steel-pipes/ 2019 - 03 - 07 - t16:32:59 +喂饲 //www.gh-pc.com/wp - content/uploads/2017/05/astm - 106 -年级- b -无缝pipes.jpg astm a 106年级无缝管 astm a 106年级无缝管 //www.gh-pc.com/pressure pipe/high -压力- jis - g - 3454无缝-碳-钢- pipe/ 2019 - 03 - 07 - t16:44:06 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/05/boiler-pipe.jpg 锅炉管 锅炉管 //www.gh-pc.com/engineering-tube/astm-a519-st55-cold-drawn-precision-seamless-steel-tube/ 2019 - 03 - 07 - t18:11:53 +喂饲 //www.gh-pc.com/wp - content/uploads/2017/05/astm a519 - din - 1629. - jpg ASTM A519钢管结构 ASTM A519钢管结构 //www.gh-pc.com/structural-pipe/astm-a252-grade-3-mild-steel-pipe-piles/ 2019 - 03 - 08 - t14:04:54 +喂饲 //www.gh-pc.com/wp - content/uploads/2017/05/saw -桩-管- astm - a252 -年级- 3. jpg saw-pile-pipe-astm-a252-grade-3 saw-pile-pipe-astm-a252-grade-3 //www.gh-pc.com/structural-pipe/astm-a53a53m-erw-structural-pipe-for-low-pressure-plumbing/ 2019 - 03 - 08 - t14:10:37 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/05/ASTM-A53-ERW-Steel-Pipe.jpg ASTM A53电焊钢管 //www.gh-pc.com/wp-content/uploads/2017/05/ERW-steel-pipes.jpg 电阻焊钢管 //www.gh-pc.com/octg-2/api-5ctj55-k55-seamless-steel-oil-casing-and-tubing-in-oil-field/ 2019 - 03 - 08 - t14:15:20 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/04/oil-casing-pipe.jpg API5CT石油套管 API5CT石油套管 //www.gh-pc.com/line-pipe/api-5l-gr-b-seamless-line-pipe-with-beveled-ends/ 2019 - 03 - 08 - t14:20:49 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/04/API-5L-line-pipe.jpg API 5 l无缝管线管 API 5 l无缝管线管 //www.gh-pc.com/structural-pipe/astmseamless-carbon-steel-structural-tubing/ 2019 - 03 - 08 - t14:25:29 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/04/structure-tubing.png ASTM A500无缝管结构 ASTM A500无缝管结构 //www.gh-pc.com/line-pipe/api-5l-gr-b-x42-lsaw-steel-pipe-for-wateroil-and-gas-delivery/ 2019 - 03 - 08 - t14:29:50 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/04/LSAW-steel-pipe.jpg LSAW钢管 //www.gh-pc.com/line - pipe/thin墙- en - 10217 - 1 -焊接-一并-钢-管-压力- purposes/ 2019 - 03 - 08 - t14:37:34 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/04/Non-alloy-steel-tubes.jpg Non-alloy钢管 //www.gh-pc.com/line pipe/din - 30670 - 3 pe涂层-碳-钢-管- 12英寸- sch40外部- pe涂层钢- pipe/ 2019 - 03 - 08 - t14:48:55 +喂饲 //www.gh-pc.com/wp content/uploads/2017/04/din - 30670 - 3 lpe涂层pipe.png——钢 DIN 30670 3 lpe涂层钢管 //www.gh-pc.com/octg-2/api-spec-5ct-casing-pipe-for-oil-and-gas-deliverying/ 2019 - 03 - 11 - t14:21:22 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/OCTG-casing-pipe.jpg 油井套管 //www.gh-pc.com/structural-pipe/din1629-st37-seamless-structure-tube/ 2019 - 03 - 11 - t14:39:50 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/Din1629-structure-steel-tube.jpg Din1629结构钢管 //www.gh-pc.com/octg-2/api-5dp-x95-oil-and-gas-drill-pipe-for-well-drilling-4-12-eu-grade-x/ 2019 - 03 - 11 - t14:44:38 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/Drill-Pipe-API-5DP.jpg 钻杆API 5 dp //www.gh-pc.com/pipe-fittings/api-spec-5ct-octg-pipe-couplings-eue-tubing-pipe/ 2019 - 03 - 11 - t14:49:44 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/octg-pipe-coupling-api-5ct.jpg API 5 ct油井套管耦合 //www.gh-pc.com/news/products-news/astmasme-a53sa53-gr-b-std-seamless-and-welded-steel-pipes/ 2019 - 03 - 11 - t14:51:56 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/ASTM-A53.jpg ASTM A53无缝钢管 //www.gh-pc.com/news/products-news/api-5l-iso3183-psl1-psl2-seamless-line-pipe/ 2019 - 03 - 11 - t15:00:05 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/API-5L-seamless-line-pipe.jpg API 5 l无缝管线管 //www.gh-pc.com/line-pipe/hot-rolled-astm-a53-grade-b-seamless-steel-pipe-for-oil-and-gas/ 2019 - 03 - 11 - t15:01:56 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/04/ASTM-A53-seamless-steel-pipe.png ASTM A53无缝钢管 //www.gh-pc.com/structural-pipe/black-painted-en10210-gr-s355j2h-seamless-steel-pipe/ 2019 - 03 - 11 - t15:10:21 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/04/EN10210SMLS.jpg EN10210SMLS //www.gh-pc.com/news/the-development-of-steel-tubular-towers/ 2019 - 03 - 11 - t15:17:40 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/03/p201701171105470323264.jpg GSM钢镀锌钢管塔 //www.gh-pc.com/wp content/uploads/2018/03/zhaopian - 109. jpg //www.gh-pc.com/structural-pipe/astm-a252-gr-3-steel-piling-pipes/ 2019 - 03 - 11 - t15:21:00 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/ASTM-A252-steel-pipe.jpg ASTM A252钢管 //www.gh-pc.com/line-pipe/common-pipeline/astm-a53-erw-steel-pipe-sch40-srl-erw-pipe/ 2019 - 03 - 11 - t15:25:29 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/API-5L-ASTM-A53-ERW-Welded-Steel-Pipes-Cfst.jpg ASTM A53 ERW Welded Steel Pipes //www.gh-pc.com/engineering-tube/astm-a106-grade-b-sch-40-seamless-pipes/ 2019 - 03 - 11 - t15:38:16 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/ASTM-A106-seamless-pipe.jpg ASTM A106无缝钢管 //www.gh-pc.com/octg-2/api-5ct-j55-seamless-casing-pipeoctg-casing-with-ltc-thread/ 2019 - 03 - 11 - t15:42:38 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/API-5CT-casing-pipe.jpg API 5 ct套管 API 5 ct套管 //www.gh-pc.com/pressure-pipe/jis-g3454-stpg370-carbon-steel-pipes-for-high-pressure-and-temperature/ 2019 - 03 - 11 - t15:43:50 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/JIS-G3454-carbon-steel-pipe.png JIS G3454碳钢管道 //www.gh-pc.com/line pipe/astm a53 - 98 -流体管道输送gas/——石油 2019 - 03 - 11 - t17:47:38 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/fluid-pipe.jpg ASTM A53流体管 //www.gh-pc.com/wp-content/uploads/2017/02/sizes-of-fluid.jpg 流体管尺寸 //www.gh-pc.com/line pipe/din - 30670无缝涂层-管-聚乙烯- coatings/ 2019 - 03 - 11 - t17:49:08 +喂饲 //www.gh-pc.com/wp pipe.png——content/uploads/2017/03/din - 30670涂料 DIN 30670涂层管 DIN 30670涂层管 //www.gh-pc.com/news/company-dynamic/customer-turkey-visit-company/ 2019 - 03 - 11 - t17:55:40 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/03/201609042134146003.jpg 土耳其客户访问要求 //www.gh-pc.com/news/company-dynamic/president-speech-4thoct/ 2019 - 03 - 11 - t17:57:34 +喂饲 //www.gh-pc.com/乐动官网网址project/project-field/environmental-project-kuwait/ 2019 - 03 - 11 - t18:13:31 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Environmental-乐动官网网址Project-in-Kuwait.jpg 环境项目在科威特乐动官网网址 环境项目在科威特乐动官网网址 //www.gh-pc.com/乐动官网网址project/project-field/construction/bridge-construction-australia/ 2019 - 03 - 11 - t18:14:11 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Bridge-Construction-in-Australia.jpg 桥梁施工在澳大利亚 桥梁施工在澳大利亚 //www.gh-pc.com/乐动官网网址project/project-field/industrial/geothermal-project-swizerland/ 2019 - 03 - 11 - t18:15:36 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Geothermal-乐动官网网址Project-in-Swizerland.jpg 在瑞士地热项目乐动官网网址 在瑞士地热项目乐动官网网址 //www.gh-pc.com/乐动官网网址project/project-field/industrial/industrial-exhaust-romania/ 2019 - 03 - 11 - t18:16:38 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Industrial-Exhaust-in-Romania.jpg 工业废气在罗马尼亚 工业废气在罗马尼亚 //www.gh-pc.com/乐动官网网址project/project-field/industrial/hydroelectricity-in-venezuela/ 2019 - 03 - 11 - t18:18:32 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Hydroelectricity-in-Venezuela.jpg 水力发电在委内瑞拉 水力发电在委内瑞拉 //www.gh-pc.com/乐动官网网址project/project-field/marine-offshore/undersea-pipeline-sudan/ 2019 - 03 - 11 - t18:19:02 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/undersea-pipeling-in-Sudan.jpg 海底管道在苏丹 海底管道在苏丹 //www.gh-pc.com/乐动官网网址project/project-area/africa/africa/ 2019 - 03 - 11 - t18:21:40 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Africa.png 非洲 //www.gh-pc.com/乐动官网网址project/project-area/middle-east/middle-east/ 2019 - 03 - 11 - t18:22:02 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/middle-east.png 中东 //www.gh-pc.com/乐动官网网址project/project-area/europe/europe/ 2019 - 03 - 11 - t18:22:23 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/European.png 欧洲 //www.gh-pc.com/乐动官网网址project/project-area/asia-pacific/asia-pacific/ 2019 - 03 - 11 - t18:22:47 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/asia-pacific.png 亚太地区 //www.gh-pc.com/manufacturing-process/process-erw-steel-pipe/ 2019 - 03 - 11 - t18:25:23 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/process-of-ERW-steel-pipe.jpg 电阻焊钢管的过程 //www.gh-pc.com/manufacturing-process/ssaw-steel-pipe-manufacturing-process/process-ssaw-steel-pipe/ 2019 - 03 - 11 - t18:25:48 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/SSAW-Steel-Pipe.jpg SSAW钢管的过程 //www.gh-pc.com/manufacturing-process/lsaw-steel-pipe-manufacturing-process/process-lsaw-steel-pipe/ 2019 - 03 - 11 - t18:26:09 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201507190944257461.jpg process of LSAW Steel Pipe //www.gh-pc.com/production-equipment/seamless-steel-pipe-production-equipment/seamless-steel-pipe-production-equipment/ 2019 - 03 - 11 - t18:26:39 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/equipment.jpg 设备 //www.gh-pc.com/manufacturing-process/coated-steel-pipe-manufacturing-process/process-coated-steel-pipe/ 2019 - 03 - 11 - t18:27:52 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Coated-Steel-Pipe1.jpg 涂层钢管 //www.gh-pc.com/wp-content/uploads/2017/02/Coated-Steel-Pipe2.jpg 涂层钢管 //www.gh-pc.com/manufacturing-process/otcg-tube/3211/ 2019 - 03 - 11 - t18:28:08 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/OCTG-Tube.jpg 油井管 //www.gh-pc.com/manufacturing-process/seamless-steel-pipe-manufacturing-process/process-carbon-steel-pipe/ 2019 - 03 - 11 - t18:30:06 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/carbon-steel-pipe.png 碳钢管的过程 //www.gh-pc.com/manufacturing-process/seamless-steel-pipe-manufacturing-process/process-seamless-steel-pipe/ 2019 - 03 - 11 - t18:30:21 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201507190858273366.jpg 热轧 //www.gh-pc.com/wp-content/uploads/2017/02/cold.jpg 冷拔 //www.gh-pc.com/wp-content/uploads/2017/02/hot-rolling.jpg 热轧 //www.gh-pc.com/wp-content/uploads/2017/02/Hot-Extruding.jpg 热挤压 //www.gh-pc.com/wp-content/uploads/2017/02/Cold-Rolling-Cold-Forming-Roll-Forming.jpg 冷轧冷成形辊成形 //www.gh-pc.com/news/products-news/astm-a53-gr/ 2019 - 03 - 11 - t18:35:41 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222132466764.png ASTM A53 Gr.A //www.gh-pc.com/news/products-news/astm-a53-gr-b/ 2019 - 03 - 11 - t18:36:37 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222131556464.png ASTM A53 Gr.B //www.gh-pc.com/news/products-news/astm-a106-gr/ 2019 - 03 - 11 - t18:37:13 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222136592991.png ASTM A106 Gr.A //www.gh-pc.com/news/products-news/astm-api-5l-x80/ 2019 - 03 - 11 - t18:38:32 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/API-5L-X80-PSL1-LSAW-Steel-Pipes.jpg API-5L-X80-PSL1-PIPIE线 API-5L-X80-PSL1-PIPIE线 //www.gh-pc.com/structural-pipe/s235jrh/ 2019 - 03 - 12 - t10:43:14 +喂饲 //www.gh-pc.com/structural-pipe/s355jr/ 2019 - 03 - 12 - t14:14:34 +喂饲 //www.gh-pc.com/line-pipe/astm-a672-efw-pipes-tubes/ 2019 - 03 - 12 - t14:29:25 +喂饲 //www.gh-pc.com/news/products-news/large-diameter-welded-pipe-cooling-way/ 2019 - 03 - 12 - t14:31:33 +喂饲 //www.gh-pc.com/news/products-news/application-spiral-steel-tubes/ 2019 - 03 - 12 - t14:36:40 +喂饲 //www.gh-pc.com/news/products-news/prominent-superiority-thin-wall-spiral-pipe-two-connection-ways/ 2019 - 03 - 12 - t14:53:22 +喂饲 //www.gh-pc.com/news/products-news/distinguish/ 2019 - 03 - 12 - t14:57:42 +喂饲 //www.gh-pc.com/news/casing-pipe-application-in-high-temperature-gas-wells/ 2019 - 03 - 12 - t15:04:06 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/01/Gas-sealing-mechanism-of-premium-connection.gif 气体密封的优质连接机制 //www.gh-pc.com/wp-content/uploads/2019/01/Gas-sealing-mechanism-of-premium-connection.gif //www.gh-pc.com/wp-content/uploads/2019/01/Creep-experiment-apparatus-and-b-experimental-principle.gif //www.gh-pc.com/wp-content/uploads/2019/01/10.1177_1687814018817452-fig3.gif //www.gh-pc.com/wp-content/uploads/2019/01/10.1177_1687814018817452-fig4.gif //www.gh-pc.com/wp-content/uploads/2019/01/10.1177_1687814018817452-fig5.gif //www.gh-pc.com/wp-content/uploads/2019/01/10.1177_1687814018817452-fig6.gif //www.gh-pc.com/wp-content/uploads/2019/01/10.1177_1687814018817452-fig7.gif //www.gh-pc.com/wp-content/uploads/2019/01/10.1177_1687814018817452-fig8.gif //www.gh-pc.com/wp-content/uploads/2019/01/10.1177_1687814018817452-fig8.gif //www.gh-pc.com/wp-content/uploads/2019/01/10.1177_1687814018817452-fig10.gif //www.gh-pc.com/wp-content/uploads/2019/01/10.1177_1687814018817452-fig11.gif //www.gh-pc.com/pressure pipe/en - 10216 - 2 p235gh -产业-使用-锅炉tubing/ 2019 - 03 - 12 - t15:10:25 +喂饲 //www.gh-pc.com/wp content/uploads/2017/02/en tube.jpg——10216 - 2锅炉 EN 10216 - 2锅炉管 EN 10216 - 2锅炉管 //www.gh-pc.com/pressure-pipe/api5l-jis-g-3454/ 2019 - 03 - 12 - t15:12:23 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/JIS-G3454-Stpg370-Carbon-Steel-Pipes-for-Pressure-Service.jpg JIS G3454 Stpg370碳钢管道压力服务 JIS G3454 Stpg370碳钢管道压力服务 //www.gh-pc.com/octg-2/api-5ct-casing-pipe-erw-seamless/ 2019 - 03 - 18 - t10:08:18 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/09/banner50.jpg API 5 ct油井套管 API 5 ct套管和油管 //www.gh-pc.com/line - pipe/common pipeline/astm a53 -钢-管- od - 219 - 1 - mm -原理图- 40 -年级- -年级- b -钢铁tube/ 2019 - 03 - 18 - t10:09:19 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE201609271050051.png ASTM B A53 Gr钢管 ASTM B A53 Gr钢管 //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE20160927105119.png ASTM B A53 Gr管道 //www.gh-pc.com/line-pipe/3pe-steel-pipe-2/ 2019 - 03 - 18 - t10:36:14 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/3pesteelpipe.jpg 3 pesteelpipe //www.gh-pc.com/news/company-dynamic/many-size-seamless-stel-pipe-and-welded-steel-pipe-for-sale-carbon-steel-pipe-supplier/ 2019 - 03 - 18 - t10:40:46 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/07/equ1.jpg 钢管 钢管供应商 //www.gh-pc.com/wp-content/uploads/2016/07/equ1.jpg 钢管供应商 //www.gh-pc.com/news/company-dynamic/hebei-abter-firm-to-develop-cape-downs-1st-lsaw-pipe-mill/ 2019 - 03 - 18 - t10:48:16 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/07/201003030927165771.jpg 20100303092716577 [1] //www.gh-pc.com/line-pipe/fbe-coated-steel-pipe/ 2019 - 03 - 18 - t10:52:43 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/fbe-coated-pipe.jpg fbe-coated-pipe //www.gh-pc.com/pipe-fittings/casing-couplingtubing-couplingpup-jonit/ 2019 - 03 - 18 - t10:59:16 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/casing-tubing-coupling.jpg casing-tubing-coupling casing-tubing-coupling //www.gh-pc.com/octg-2/drill-pipe/ 2019 - 03 - 18 - t11:04:25 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/drillpipe.jpg 钻杆 钻杆 //www.gh-pc.com/octg-2/casing-tubing/ 2019 - 03 - 18 - t11:06:45 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/casingpipe.jpg 套管、油管管 套管、油管管 //www.gh-pc.com/news/ssaw-steel-pipe/ 2019 - 03 - 18 - t11:10:16 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/ssawpipe.jpg ssaw管,螺旋钢管 ssaw管,螺旋钢管 //www.gh-pc.com/news/lsaw-steel-pipe/ 2019 - 03 - 18 - t11:20:14 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/lsawpipoe.jpg lsaw钢管 lsaw钢管 //www.gh-pc.com/news/erw-steel-pipe/ 2019 - 03 - 18 - t11:23:00 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/erw-steel-pipe.jpg erw-steel-pipe //www.gh-pc.com/structural-pipe/galvanized-pipe/galvanized-steel-pipe/ 2019 - 03 - 18 - t11:25:47 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/201441777225.jpg 镀锌焊接钢管道 镀锌钢管道 //www.gh-pc.com/news/structure-steel-pipe/ 2019 - 03 - 18 - t11:43:51 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/201441794807.jpg 结构钢管 结构钢管 //www.gh-pc.com/news/products-news/boiler-steel-pipe/ 2019 - 03 - 18 - t14:24:42 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/201472982528.jpg 锅炉钢管 锅炉钢管 //www.gh-pc.com/line-pipe/common-pipeline/astm-a53-erw-steel-pipes-grade-b-sch40-od129-1mm/ 2019 - 03 - 19 t14:32:27 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/11/ASTM-A106-A53.jpg astm a53 astm a53 //www.gh-pc.com/line - pipe/common pipeline/api - 5 - l - x52iso - 3183 l320 -无缝钢-管- -天然气和石油lines/ 2019 - 03 - 19 t14:38:32 +喂饲 //www.gh-pc.com/wp content/uploads/2016/11/iso pipe.jpg——3183 -无缝钢 iso - 3183 -无缝钢-管道 iso 3183无缝钢管 //www.gh-pc.com/pressure pipe/asme - sa - 192 m -锅炉钢tube/ 2019 - 03 - 19 t14:41:50 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/11/cold-drawn-condenser-tubes-astm-a179.jpg cold-drawn-condenser-tubes-astm-a179 锅炉管 //www.gh-pc.com/octg 2/api - 5 - dp -钻孔-管-年级- e75 od - 127 mm -墙厚度12 - 7 - mm/ 2019 - 03 - 19 t14:46:23 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/11/drill-pipes.jpg API 5 dp钻杆 API 5 dp钻杆 //www.gh-pc.com/wp-content/uploads/2016/11/drillpipeprocess.png drillpipeprocess //www.gh-pc.com/line - pipe/common pipeline/astm a106 gr - b -无缝钢- pipesch40od - 355 - 6 - wt11 13/ 2019 - 03 - 19 t15:11:29 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/11/seamless-steel-pipe-A106.jpg seamless-steel-pipe-a106 无缝钢管a106 //www.gh-pc.com/news/products - news/differences - n - 80和- l - 80套管pipe/ 2019 - 03 - 19 t15:21:22 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/06/casingpipe.jpg 套管、油管管 套管、油管管 //www.gh-pc.com/pressure-pipe/astm-a335-alloy-seamless-steel-pipe-gr-p22-3-inch-sch-120/ 2019 - 03 - 19 t16:53:42 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/11/astm-a335-p5-p9-p11-p22-p91-alloy-steel-pipes1.jpg astm-a335-p5-p9-p11-p22-p91-alloy-steel-pipes astm a335 alloy-steel-pipes //www.gh-pc.com/wp-content/uploads/2016/11/ASTMA3351.jpg astm a335 //www.gh-pc.com/line-pipe/common-pipeline/astm-a53-steel-pipe-od-10-inch-sch4080/ 2019 - 03 - 19 t17:25:31 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/10/ASTM-A53-seamless-steel-pipe.jpg astm a53无缝钢管 //www.gh-pc.com/wp-content/uploads/2016/10/ASTM-A53.jpg astm a53 //www.gh-pc.com/octg-2/k55-oil-casing-pipe-api-5ct-9-58/ 2019 - 03 - 19 t17:28:27 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/10/petrolem-casing-pipe.jpg K55 VS J55套管 K55 VS J55套管 //www.gh-pc.com/news/surya-roshni-sets-up-steel-pipe-plant-in-ap-to-cater-to-south-indian-market/ 2019 - 03 - 20 - t10:33:22 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/10/steel_wire_export.jpg 钢丝出口 钢丝出口 //www.gh-pc.com/structural-pipe/astmasme-a252sa252-piling-pipe/ 2019 - 03 - 20 - t10:37:14 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/10/QQ%E6%88%AA%E5%9B%BE20160907134159.png ASTM A252 2级管道钢管 ASTM A252 2级管道钢管 //www.gh-pc.com/news/products-news/efw-are-significantly-different-than-erw/ 2019 - 03 - 20 - t11:28:46 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE20160927105005.png 电阻焊管 //www.gh-pc.com/news/products-news/astm-a53-standards-specification-for-pipe/ 2019 - 03 - 20 - t14:47:46 +喂饲 //www.gh-pc.com/wp - content/uploads/2016/10/a15b685d b7d2 - 4 - e61 c7160221.png——88 - e6 - 1458 A53 / A53M管标准规范 //www.gh-pc.com/wp content/uploads/2016/10/eaf6ca31 - 027 d - 4 - e0c adbd d13623903981.png 化学要求 //www.gh-pc.com/wp content/uploads/2016/10/80c9f63f - 8 e42 - 4962 - 9606 - 82 - c8ee9df64b.png a53钢管拉伸要求 //www.gh-pc.com/wp-content/uploads/2016/10/B4DE817A-0B7D-4EDC-BFAF-59E4A53FE15F.png 校准标准 //www.gh-pc.com/structural-pipe/pipe-piling-drilling/astm-a252/ 2019 - 03 - 20 - t15:51:17 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE20160930155842.png ASTM A252二年级起球管 ASTM A252二年级起球管 //www.gh-pc.com/news/products-news/seamless-steel-pipes/ 2019 - 03 - 20 - t16:18:06 +喂饲 //www.gh-pc.com/wp content/uploads/2016/10/seamless -钢铁管道- 1. jpg 无缝钢管 //www.gh-pc.com/wp-content/uploads/2016/10/seamless-steel-pipes-and-tubes.jpg 无缝钢管和管 //www.gh-pc.com/news/products - news/erw l235 en10024 -钢-管- od - 323 - 9 - mm/ 2019 - 03 - 20 - t16:19:30 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/09/Erw-Steel-Pipes.jpg erw-steel-pipes //www.gh-pc.com/wp-content/uploads/2016/09/QQ%E6%88%AA%E5%9B%BE20160928122923.png EN10224 L235电焊管OD 323.9毫米 //www.gh-pc.com/news/products-news/carbon-steel-pipes-vs-black-pipes/ 2019 - 03 - 20 - t16:21:35 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/10/QQ%E6%88%AA%E5%9B%BE20160919115215.png 要求钢管 要求钢管 //www.gh-pc.com/wp-content/uploads/2016/10/black-pipe.jpg 黑色的管子 //www.gh-pc.com/wp-content/uploads/2016/10/carbon-Steel-Pipe-Carbon-Steel-Pipest.jpg 碳钢管 //www.gh-pc.com/line pipe/api - 5 - l -年级- b -一并-钢-管- 426 mm直径-墙厚度mm/——9 - 53 2019 - 03 - 20 - t16:24:46 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/10/api5l-seamless-pipe-supplier-manufacturer1.jpg api5l-seamless-pipe-supplier-manufacturer api5l无缝钢管 //www.gh-pc.com/wp-content/uploads/2016/10/API-5L-ERW-pipe.jpg api 5 l电焊管 //www.gh-pc.com/structural-pipe/astm-a252-sch-40-gr-2-od-34-inch-drl-steel-pipes/ 2019 - 03 - 20 - t16:31:27 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/10/ASTM-A252-Welded-Steel-Pipe-Piles.jpg astm-a252-welded-steel-pipe-piles astm a252焊接钢管桩 //www.gh-pc.com/wp-content/uploads/2016/10/ASTM-A252.jpg astm a252 //www.gh-pc.com/pressure pipe/asme - sa - 192 m钢pipes/——锅炉 2019 - 03 - 20 - t17:09:19 +喂饲 //www.gh-pc.com/wp content/uploads/2016/12/cold_drawn_condenser_tubes_astm_a179 - 1. jpg 冷管astm a179-1画 冷管astm a179-1画 //www.gh-pc.com/octg 2/api - 5 - ct歌曲到手——石油和天然气-套管-管- od - 177 - 8 mmwt9 - 19 mm -套管tube/ 2019 - 03 - 20 - t18:21:20 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/n80_oil_casing_seamless_steel_pipe.jpg 歌曲到手机上油套管无缝钢管 歌曲到手机上油套管无缝钢管 //www.gh-pc.com/news/products-news/ssaw-erw-carbon-steel-pipe/ 2019 - 03 - 20 - t18:24:31 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/10/ASTM-A252-Welded-Steel-Pipe-Pile.jpg astm-a252-welded-steel-pipe astm a252焊接钢管 //www.gh-pc.com/wp-content/uploads/2016/10/SSAW.jpg ssaw //www.gh-pc.com/pressure pipe/boiler -热换热器冷凝器-超级加热器tube/din - 17175 st35 - 8 -无缝钢-管- lineshigh - -锅炉pipes/压力 2019 - 03 - 20 - t18:34:39 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/DIN17175-Seamless-Steel-Pipes.jpg din17175无缝钢管 din17175无缝钢管 //www.gh-pc.com/pressure-pipe/carbon-steel-boiler-tubeastm-a106-gr-b-high-seamless-steel-pipe/ 2019 - 03 - 20 - t18:35:56 +喂饲 //www.gh-pc.com/wp content/uploads/2016/12/asme - sa - 106锅炉tube.jpg asme sa 192锅炉管 asme sa 192锅炉管 //www.gh-pc.com/pressure-pipe/astm-a192-high-pressure-seamless-boiler-tubeshot-rolled-steel-tubing/ 2019 - 03 - 20 - t18:38:52 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/ASTM-A192-Seamless-Steel-Pipe.jpg astm a192无缝钢管 astm a192无缝钢管 //www.gh-pc.com/line-pipe/api-5l-line-pipe-seamless-ssaw-erw-lsaw/ 2019 - 03 - 21 - t16:14:18 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/04/p201702091023525934791.jpg API 5L GRB Welded pipes ×X60电焊管,lsaw管道 //www.gh-pc.com/engineering tube/din - 2391 -冷-拉-无缝钢tubest52/ 2019 - 03 - 21 - t16:16:09 +喂饲 //www.gh-pc.com/wp content/uploads/2016/12/din2391 -圣- 52. jpg din2391st52无缝钢管 din2391st52无缝钢管 //www.gh-pc.com/pressure-pipe/asme-sa192-seamless-boiler-tubesch40-carbon-steel-pipes/ 2019 - 03 - 21 - t16:20:24 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/boiler-tube.jpg 锅炉管 锅炉管 //www.gh-pc.com/octg-2/api-5ct-5b-seamless-casing-pipe-k-55-od-4-12-stc-oil-and-gas-pipeline/ 2019 - 03 - 21 - t16:23:20 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/API.jpg api套管和油管 api套管和油管 //www.gh-pc.com/news/products-news/api-5ct-casing-tubing-couplings-pup-joints-testing-chemical-composition/ 2019 - 03 - 21 - t16:41:19 +喂饲 //www.gh-pc.com/octg-2/api-5ct-well-casing-steel-pipes-j55-k55-n80-l80-oil-casing-pipes/ 2019 - 03 - 21 - t16:57:49 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/API5CTcasing-and-tubing.png api5ctcasing-and-tubing api 5 ct套管和油管 //www.gh-pc.com/octg-2/api-5ct-j55-seamless-oil-casing-and-tubingr3-13-38-inch/ 2019 - 03 - 21 - t17:10:03 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/5CT-J55.jpg API 5 ct j55套管和油管 API 5 ct j55套管和油管 //www.gh-pc.com/line - pipe/astm a53一并-管- gr - b - d - 660毫米- std -油-线- pipes/ 2019 - 03 - 21 - t17:13:34 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/ASTM-A106-A53.jpg astm a53伽马线暴钢管 astm a53伽马线暴钢管 //www.gh-pc.com/pipe-fittings/api-5cttubing-and-casing-pup-joint-4-12sch-40/ 2019 - 03 - 21 - t17:17:42 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/pup-joint.jpg 联合钢管和套管短节 //www.gh-pc.com/structural pipe/steel万平方英tubing12 - x - 0 - 370 - x - 065平方-空心section/ 2019 - 03 - 21 - t17:20:16 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/ASTM-A500-Gr-B-Structural-Square-and-Rectangular-Hollow-Section-Steel-Tube.jpg astm-a500-gr-b-structural-square-and-rectangular-hollow-section-steel-tube 钢结构广场,矩形管 //www.gh-pc.com/octg-2/technical-specifications-seamess-casing-pipe/ 2019 - 03 - 21 - t17:26:52 +喂饲 //www.gh-pc.com/octg-2/api-5ct-tubing-specifications-j55-l80-n80-c90-p110/ 2019 - 03 - 21 - t17:27:06 +喂饲 //www.gh-pc.com/octg-2/erw-casing-technical-specification%ef%bc%8cj55-k55-ps-pslb/ 2019 - 03 - 21 - t17:27:18 +喂饲 //www.gh-pc.com/pipe-fittings/api-5ct-octg-pipe-coupling4-20-inches/ 2019 - 03 - 21 - t17:27:28 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/API-5CT-Coupling-OCTG-Hot-Rolled-Smls-Pipe-Coupling.jpg api 5 ct油井耦合 api 5 ct油井耦合 //www.gh-pc.com/line-pipe/astm-a53-carbon-steel-pipes-x60-sch30rdl-line-pipe/ 2019 - 03 - 21 - t17:45:29 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/10/api5l-seamless-pipe-supplier-manufacturer1.jpg api5l-seamless-pipe-supplier-manufacturer api5l无缝钢管 //www.gh-pc.com/pressure pipe/en - 10216 - 2无缝钢tubes%ef%bc%8cboiler/ 2019 - 03 - 21 - t18:07:26 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/01/Seamless-Steel-Pipe.jpg 无缝钢管 无缝钢管 //www.gh-pc.com/news/products news/iso - 3183 -石油和自然气——pipeline/ 2019 - 03 - 25 - t15:02:33 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/01/iso3183-erw-linepipe.jpg iso3183电焊用管 iso3183电焊用管 //www.gh-pc.com/octg 2/api - 5 - dp钢钻-管- od - 2 - 78 -油-钻pipe/ 2019 - 03 - 25 - t15:05:08 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/01/api-5dp-steel-drill-pipe-e75-x95-g105-s135.jpg api-5dp-steel-drill-pipe api-5dp-steel-drill-pipe //www.gh-pc.com/pressure-pipe/astm-a179-seamless-steel-tubeseamless-cold-drawn-low-carbon-steel/ 2019 - 03 - 25 - t15:18:21 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/01/Seamless-Low-carbon-Steel-ASTM-A179.jpg seamless-low-carbon-steel-astm-a179 seamless-low-carbon-steel-astm-a179 //www.gh-pc.com/line - pipe/common pipeline/astm a53 -钢-管- od - 219 - 1 - mm -原理图- 40 - srldrl/ 2019 - 03 - 25 - t15:24:47 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/01/images.jpg ASTM A53钢管 ASTM A53钢管 //www.gh-pc.com/line-pipe/common-pipeline/astm-a53-seamless-steel-pipes-sch40-od114-3mmwt-6-02-line-pipe/ 2019 - 03 - 25 - t15:26:23 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/01/carbonsteel-seamlesstubes-packed2.jpg ASTM A53无缝钢管 ASTM A53无缝钢管 //www.gh-pc.com/octg-2/api-5ct-seamless-casing-tube13-3-8-btc-with-coupling/ 2019 - 03 - 25 - t15:28:20 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/01/API-5CT-Seamless-casing-tube.png API 5 ct无缝套管 API 5 ct无缝套管 //www.gh-pc.com/structural-pipe/astm-a106-gr-b-scaffolding-pipe2inchsch-40-carbon-steel-pipes/ 2019 - 03 - 25 - t16:03:46 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/01/scaffolding-pipe.jpg 脚手架管 脚手架管 //www.gh-pc.com/pressure-pipe/astm-a106-gr-b-seamless-carbon-steel-pipe-for-high-temperature-service/ 2019 - 03 - 25 - t16:10:07 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/carbon-steel-a106.jpg ASTM a106碳钢管道 ASTM a106碳钢管道 //www.gh-pc.com/octg-2/octg-api-casing-pipe-api-5ct-tubing/ 2019 - 03 - 25 - t18:21:19 +喂饲 //www.gh-pc.com/wp-content/uploads/2016/12/API-5CT-casing-and-tubing.jpg api-5ct-casing-and-tubing //www.gh-pc.com/line-pipe/din30670-3lpe-coated-steel-pipe-anti-corrosion-steel-pipe/ 2019 - 03 - 25 - t18:23:25 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/01/3PE-coated-steel-pipe.jpg 3 pe涂层钢管 3 pe涂层钢管 //www.gh-pc.com/octg-2/high-quality-api-5ct-casing-and-tubing-for-oil-and-gas-drillings/ 2019 - 03 - 26 t14:41:08 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/oil-casing-pipe.jpg 石油套管 石油套管 //www.gh-pc.com/octg-2/api-spec-5ct-j55-oil-casing-tubingseamless-steel-tubes/ 2019 - 03 - 26 t14:42:10 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/Casing-Pipe-Api-Spec-5ct.jpg Api 5 ct套管规范 Api 5 ct套管规范 //www.gh-pc.com/octg-2/api-5l-casing-pipe-j55k55octg-smls-steel-pipe-manufacturer/ 2019 - 03 - 26 t15:32:44 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/API-5L-smls-steel-pipe.jpg API 5 l无缝的钢管 API 5 l无缝的钢管 //www.gh-pc.com/structural-pipe/en10210-hot-dipped-galvanized-steel-pipe-oil-drilling-pipe/ 2019 - 03 - 26 t15:37:53 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/EN10210-ERW-Steel-pipe.jpg EN10210电阻焊钢管 EN10210电阻焊钢管 //www.gh-pc.com/line-pipe/api-5l-x52-seamless-line-pipe-for-gas-and-oil/ 2019 - 03 - 26 t15:39:17 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/X52.jpg API 5 l X52无缝管线管 API 5 l X52无缝管线管 //www.gh-pc.com/news/products-news/welded-steel-pipe-erw-spiral-specification-manufacturing-method-2/ 2019 - 03 - 26 t15:46:37 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/02/carbon-steel-erw-pipe.jpg 碳钢电阻焊管 //www.gh-pc.com/wp-content/uploads/2018/02/ERW-HFW-HFI-Steel-Pipe-API-5L-SANS719-AS-NZS1163-GR-B-C350.jpg 电焊/ HFW /高频感应钢管API 5 l / SANS719 /像/ NZS1163 C350 GR。B //www.gh-pc.com/wp - content/uploads/2018/02/erw hfw高频感应-钢-管- api - 5 - l - sans719 nzs1163 - gr - b - c350 - 1. - jpg 电焊/ HFW /高频感应钢管API 5 l / SANS719 /像/ NZS1163 C350 GR。B //www.gh-pc.com/wp - content/uploads/2018/02/erw hfw高频感应-钢-管- api - 5 - l - sans719 nzs1163 - gr - b - c350 - 2. - jpg 电焊/ HFW /高频感应钢管API 5 l / SANS719 /像/ NZS1163 C350 GR。B //www.gh-pc.com/line-pipe/high-precision-astm-a53-carbon-seamless-steel-pipe-for-gas-and-oil/ 2019 - 03 - 26 t15:50:11 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/High-Quality-Seamless-Carbon-Steel-Pipe-Carbon-Steel-Pipes.jpg 无缝碳钢管 无缝碳钢管 //www.gh-pc.com/news/products-news/characteristics-for-grade-20/ 2019 - 03 - 26 t15:50:52 +喂饲 //www.gh-pc.com/engineering - tube/general -工程- service/din - 1629 - st37无缝钢-管-非合金steels/ 2019 - 03 - 26 t16:00:00 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/DIN1629-SMLS.jpg DIN1629结构管 DIN1629结构管 //www.gh-pc.com/news/products-news/astm-a106-gr-b/ 2019 - 04 - 04 - t15:56:19 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222135375906.png ASTM A106 Gr.B //www.gh-pc.com/news/products-news/astm-a106-gr-c/ 2019 - 04 - 04 - t15:56:35 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222134278675.png ASTM A106 Gr.C //www.gh-pc.com/news/products-news/astm-api-5l-x60/ 2019 - 04 - 04 - t15:57:36 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222209314006.png ASTM API 5 l X60 //www.gh-pc.com/news/products-news/astm-api-5l-x65/ 2019 - 04 - 04 - t15:57:50 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/20151222220746422.png ASTM API 5 l X65 //www.gh-pc.com/news/products-news/astm-api-5l-x70/ 2019 - 04 - 04 - t15:59:26 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222206164922.png ASTM API 5 l X70 //www.gh-pc.com/news/products-news/jis-g3444-stk500/ 2019 - 04 - 04 - t15:59:35 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222120336312.png JIS G3444 STK500 //www.gh-pc.com/news/products-news/jis-g3444-stk540/ 2019 - 04 - 04 - t16:04:22 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222118303229.png JIS G3444 STK540 //www.gh-pc.com/news/products-news/jis-g3445/ 2019 - 04 - 04 - t16:04:33 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222116274982.png JIS G3445 //www.gh-pc.com/wp-content/uploads/2017/02/201512222116453321.png JIS G3445 //www.gh-pc.com/news/products-news/jis-g3461-stb-410/ 2019 - 04 - 04 - t16:08:23 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222108415398.png JIS G3461机顶盒410 //www.gh-pc.com/news/products-news/jis-g3461-stb-510/ 2019 - 04 - 04 - t16:08:34 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222106358071.png JIS G3461机顶盒510 //www.gh-pc.com/news/products - news/din - 2458 st37 2/ 2019 - 04 - 04 - t16:12:29 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222057081966.png DIN 2458 ST37.2 //www.gh-pc.com/news/products - news/din - 1628 st37 4/ 2019 - 04 - 04 - t16:12:40 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/20151222205537829.png DIN 1628 ST37.4 //www.gh-pc.com/news/products - news/din - 1628 st44 4/ 2019 - 04 - 04 - t16:30:20 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222054297989.png DIN 1628 St44.4 //www.gh-pc.com/news/products - news/din - 1628 st52 4/ 2019 - 04 - 04 - t16:30:33 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222052099696.png DIN 1628 ST52.4 //www.gh-pc.com/news/products - news/din - 1630 st44 4/ 2019 - 04 - 04 - t16:34:00 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222039273956.png DIN 1630 ST44.4 //www.gh-pc.com/news/products - news/din - 1630 st37 4/ 2019 - 04 - 04 - t16:34:14 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222041037318.png DIN 1630 ST37.4 //www.gh-pc.com/news/products-news/din2445-1-st-52-4/ 2019 - 04 - 04 - t16:34:28 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/20151222204226266.png DIN2445-1圣52.4 //www.gh-pc.com/news/products news/din - 17172 ste415 - 7 - ste445 7 - ste480 7/ 2019 - 04 - 04 - t16:37:14 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222044355589.png DIN 17172 STE415.7 STE445.7 STE480.7 //www.gh-pc.com/news/products news/din - 17172 ste320 - 7 - ste360 7 - ste385 7/ 2019 - 04 - 04 - t16:37:28 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/20151222204621895.png DIN 17172 STE320.7 STE360.7 STE385.7 //www.gh-pc.com/news/products-news/din17172-ste210-7-ste240-7ste290-7/ 2019 - 04 - 04 - t16:43:00 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512222050107965.png DIN17172 STE210.7、STE240.7 STE290.7 //www.gh-pc.com/news/products-news/en10216-2-25crmo4/ 2019 - 04 - 04 - t16:43:11 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/20151222192342353.png EN10216-2 25 crmo4 //www.gh-pc.com/news/products-news/en10216-2-x11crmo5nt2/ 2019 - 04 - 04 - t16:45:10 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/20151222191906135.png EN10216-2 X11CrMo5 + NT2 //www.gh-pc.com/news/products-news/en10216-2-x10crmovnb9-1/ 2019 - 04 - 04 - t16:45:22 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512221921206974.png EN10216-2 X10CrMoVNb9-1 //www.gh-pc.com/news/products-news/en10216-2-20mnnb6/ 2019 - 04 - 04 - t16:47:18 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512221925282619.png EN10216-2 20 mnnb6 //www.gh-pc.com/news/products-news/en10216-2-20crmov13-5-5/ 2019 - 04 - 04 - t16:47:28 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512221929328858.png EN10216-2 20 crmov13-5-5 //www.gh-pc.com/news/products-news/en10216-2c-13crmo4-5/ 2019 - 04 - 04 - t16:49:21 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512221936518010.png EN10216-2C 13 crmo4-5 //www.gh-pc.com/news/products-news/en10216-2-14mov6-3/ 2019 - 04 - 04 - t16:49:30 +喂饲 //www.gh-pc.com/news/products-news/en10216-2-8mob5-4/ 2019 - 04 - 04 - t17:11:52 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512221939152579.png EN10216-2 8 mob5-4 //www.gh-pc.com/news/products-news/powder-coating/ 2019 - 04 - 04 - t17:12:05 +喂饲 //www.gh-pc.com/news/products-news/epoxy-coated/ 2019 - 04 - 04 - t17:19:25 +喂饲 //www.gh-pc.com/news/products-news/ceramic-lined-pipe/ 2019 - 04 - 04 - t17:19:37 +喂饲 //www.gh-pc.com/news/products-news/external-coating/ 2019 - 04 - 04 - t17:21:54 +喂饲 //www.gh-pc.com/news/products-news/internal-coated-pipe/ 2019 - 04 - 04 - t17:22:06 +喂饲 //www.gh-pc.com/news/products-news/lsaw-steel-pipe-2/ 2019 - 04 - 04 - t17:26:12 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512160242112282.jpg UOE管 //www.gh-pc.com/wp-content/uploads/2017/02/201512160243007884.jpg JCOE管尺寸 //www.gh-pc.com/news/products-news/hot-finished-seamless-steel-pipe/ 2019 - 04 - 04 - t17:26:27 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512160247221583.jpg Hot-Finished无缝钢管 //www.gh-pc.com/news/products-news/cold-finished-seamess-steel-pipe/ 2019 - 04 - 04 - t17:32:55 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512160248048231.jpg 冷轧Seamess钢管 //www.gh-pc.com/news/products-news/casing-tubing-2/ 2019 - 04 - 04 - t17:33:07 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512160240469786.jpg Casing & Tubing //www.gh-pc.com/news/products-news/ssaw-steel-pipe-2/ 2019 - 04 - 04 - t17:34:32 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512160244054845.jpg SSAW钢管 //www.gh-pc.com/news/products-news/erw-steel-pipe-2/ 2019 - 04 - 04 - t17:34:43 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/2015121602454338.jpg 大小的圆管 //www.gh-pc.com/news/products-news/seamless-forged-pipe/ 2019 - 04 - 04 - t17:36:47 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/20151216024942116.jpg 无缝锻管 //www.gh-pc.com/news/products-news/seamless-steel-pipe-2/ 2019 - 04 - 04 - t17:37:00 +喂饲 //www.gh-pc.com/wp-content/uploads/2017/02/201512160250427994.jpg 无缝钢管 //www.gh-pc.com/news/products-news/j55-k55/ 2019 - 04 - 04 - t17:38:36 +喂饲 //www.gh-pc.com/news/products-news/13crmo4-5/ 2019 - 04 - 04 - t17:38:47 +喂饲 //www.gh-pc.com/news/products-news/20mncr5/ 2019 - 04 - 04 - t17:41:37 +喂饲 //www.gh-pc.com/octg-2/heavy-weight-drill-pipe-drill-collar/heavy-weight-drill-pipe-hwdp/ 2019 - 04 - 09 - t12:52:53 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/04/Heavy-Weight-Drill-Pipe-HWDP.jpg 重量钻杆(HWDP) //www.gh-pc.com/line-pipe/polyurethane-insulation-steel-pipe/ 2019 - 04 - 09 - t15:43:39 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/11/Polyurethane-insulation-steel-pipes.jpg 聚氨酯保温钢管 //www.gh-pc.com/wp content/uploads/2018/11/1541410642 - 9092 - 147 - 300 - x171.png //www.gh-pc.com/line-pipe/polyurethane-thermal-insulation-steel-pipe/ 2019 - 04 - 09 - t15:43:48 +喂饲 //www.gh-pc.com/wp-content/uploads/2018/05/27423436-steel-pipe-with-heat-insulation-on-construction-site.jpg 钢管与隔热 保温钢管 //www.gh-pc.com/wp-content/uploads/2018/05/HTB1FlmwSpXXXXcjXVXXq6xXFXXXT.jpg 地下直埋前热水保温聚氨酯保温钢管 //www.gh-pc.com/news/products-news/freight-transport/ 2019 - 05 - 14 - t15:04:41 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/05/haichuan.png haichuan //www.gh-pc.com/line-pipe/astm-a53-grade-a-garde-b-pipe-types-and-dimensions/ 2019 - 07 - 16 - t17:57:25 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/07/ASTM-A53-Grade-A-Garde-B.jpg ASTM A53 Grade A & Garde B //www.gh-pc.com/structural-pipe/round-square-rectangular-pipe/hot-dip-galvanized-square-pipe/ 2019 - 12 - 12 - t17:27:08 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/12/%E9%95%80%E9%94%8C%E6%96%B9%E7%9F%A9%E7%AE%A1.jpg 镀锌方矩管 //www.gh-pc.com/structural-pipe/round-square-rectangular-pipe/corten-steel-astm-a606-corrosion-resistant-square-rectangular-tube-pipe/ 2019 - 12 - 12 - t17:27:43 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/12/Corten-Steel-ASTM-A606-Corrosion-Resistant-Square.jpg Corten-Steel-ASTM-A606-Corrosion-Resistant-Square //www.gh-pc.com/structural-pipe/galvanized-pipe/pre-galvanized-steel-pipe/ 2019 - 12 - 13 - t17:26:15 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/12/%E9%A2%84%E9%95%80%E9%94%8C%E7%85%A7%E7%89%87.jpg 预镀锌照片 //www.gh-pc.com/octg-2/what-is-octg/ 2019 - 12 - 25 - t16:31:25 +喂饲 //www.gh-pc.com/wp content/uploads/2019/12/%e5%a5%97%e7%ae%a13 - 1. jpg 套管3 //www.gh-pc.com/wp content/uploads/2019/12/drill -管- 1. jpg //www.gh-pc.com/wp content/uploads/2019/12/%e5%a5%97%e7%ae%a13 - 3. jpg //www.gh-pc.com/wp-content/uploads/2019/12/%E6%B2%B9%E7%AE%A1.jpg //www.gh-pc.com/乐动官网网址project/astm-a106-pipeline-for-sasol-in-south-africa/ 2019 - 12 - 30 - t16:13:29 +喂饲 //www.gh-pc.com/wp content/uploads/2019/12/sasol981_%e5%89%af%e6%9c%ac - 3. png SASOL981_副本 //www.gh-pc.com/wp-content/uploads/2019/12/SASOL.png //www.gh-pc.com/乐动官网网址project/astm-a106-gr-b-pipe-for-jgc-in-algeria/ 2019 - 12 - 30 - t16:19:04 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/12/JGC_%E5%89%AF%E6%9C%AC.png JGC_副本 //www.gh-pc.com/wp - content/uploads/2019/12/a106 gr.b -管- 2. - jgc_%e5%89%af%e6%9c%ac png //www.gh-pc.com/乐动官网网址project/ssaw-pipe-for-cnpc-in-iraq/ 2019 - 12 - 30 - t16:20:36 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/12/%E4%BC%8A%E6%8B%89%E5%85%8B_%E5%89%AF%E6%9C%AC.png 伊拉克_副本 //www.gh-pc.com/wp-content/uploads/2019/12/%E4%BC%8A%E6%8B%89%E5%85%8B%E9%A1%B9%E7%9B%AE_%E5%89%AF%E6%9C%AC.png //www.gh-pc.com/乐动官网网址project/ssaw-pipe-for-oman-client/ 2020 - 02 - 26 - t10:29:55 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/%E9%98%BF%E6%9B%BC%E8%9E%BA%E6%97%8B_%E5%89%AF%E6%9C%AC.jpg 阿曼螺旋_副本 //www.gh-pc.com/wp content/uploads/2020/02/%e9%98%bf%e6%9b%bc%e8%9e%ba%e6%97%8b - 1. png //www.gh-pc.com/乐动官网网址project/api-smls-pipe-for-pakistan-client/ 2020 - 02 - 26 - t10:31:19 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/%E5%B7%B4%E5%9F%BA%E6%96%AF%E5%9D%A6_%E5%89%AF%E6%9C%AC.jpg 巴基斯坦_副本 //www.gh-pc.com/wp content/uploads/2020/02/%e5%b7%b4%e5%9f%ba%e6%96%af%e5%9d%a6%e6%97%a0%e7%bc%9d - 1. jpg //www.gh-pc.com/乐动官网网址project/api-5l-x42-pipe-for-thailand-client/ 2020 - 02 - 26 - t10:31:57 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/%E6%B3%B0%E5%9B%BD%E6%97%A0%E7%BC%9D_%E5%89%AF%E6%9C%AC.jpg 泰国无缝_副本 //www.gh-pc.com/wp-content/uploads/2020/02/%E6%B3%B0%E5%9B%BD%E6%97%A0%E7%BC%9D.jpg //www.gh-pc.com/乐动官网网址project/api-5l-x42-pipeline-for-uae-client/ 2020 - 02 - 26 - t10:33:07 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/%E9%98%BF%E8%81%94%E9%85%8BX42_%E5%89%AF%E6%9C%AC.jpg 阿联酋X42_副本 //www.gh-pc.com/wp-content/uploads/2020/02/%E9%98%BF%E8%81%94%E9%85%8B%E6%97%A0%E7%BC%9D.jpg //www.gh-pc.com/乐动官网网址project/api-5ct-casing-pipe-for-algeria-client/ 2020 - 02 - 26 - t10:33:43 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/%E9%98%BF%E5%B0%94%E5%8F%8A%E5%88%A9%E4%BA%9A%E6%B2%B9%E7%AE%A1_%E5%89%AF%E6%9C%AC.jpg 阿尔及利亚油管_副本 //www.gh-pc.com/wp-content/uploads/2020/02/%E9%98%BF%E5%B0%94%E5%8F%8A%E5%88%A9%E4%BA%9A.jpg //www.gh-pc.com/乐动官网网址project/galvanized-ssaw-pipe-for-saudi-arabia-client/ 2020 - 02 - 26 - t10:38:09 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/%E6%B2%99%E7%89%B9%E8%9E%BA%E6%97%8B_%E5%89%AF%E6%9C%AC.jpg 沙特螺旋_副本 //www.gh-pc.com/wp content/uploads/2020/02/%e6%b2%99%e7%89%b9%e8%9e%ba%e6%97%8b - 4. jpg //www.gh-pc.com/乐动官网网址project/api-5ct-casing-for-algeria-client/ 2020 - 02 - 26 - t10:53:51 +喂饲 //www.gh-pc.com/wp content/uploads/2020/02/%e9%98%bf%e5%b0%94%e5%8f%8a%e5%88%a9%e4%ba%9a_%e5%89%af%e6%9c%ac - 1. jpg 阿尔及利亚_副本 //www.gh-pc.com/wp-content/uploads/2020/02/%E9%98%BF%E5%B0%94%E5%8F%8A%E5%88%A9%E4%BA%9A.png //www.gh-pc.com/乐动官网网址project/api-5l-smls-pipe-for-sasol/ 2020 - 02 - 27 - t14:22:32 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/SASOL%E6%97%A0%E7%BC%9D_%E5%89%AF%E6%9C%AC.jpg 沙索公司无缝_副本 //www.gh-pc.com/wp-content/uploads/2020/02/SASOL.png //www.gh-pc.com/乐动官网网址project/sa - 213 - sekom/ t22 -锅炉管 2020 - 02 - 27 - t15:21:35 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/ESKOM2_%E5%89%AF%E6%9C%AC.jpg ESKOM2_副本 //www.gh-pc.com/wp-content/uploads/2020/02/ESKOM2.png //www.gh-pc.com/乐动官网网址project/api-5l-gr-b-smls-pipe-for-jgc/ 2020 - 02 - 27 - t15:39:26 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/JGC2_%E5%89%AF%E6%9C%AC.jpg JGC2_副本 //www.gh-pc.com/wp-content/uploads/2020/02/JGC2.png //www.gh-pc.com/乐动官网网址project/api-5l-gr-b-pipeline-for-jgc/ 2020 - 02 - 27 - t15:41:51 +喂饲 //www.gh-pc.com/wp content/uploads/2020/02/jgc_%e5%89%af%e6%9c%ac - 1. jpg JGC_副本 //www.gh-pc.com/wp-content/uploads/2020/02/JGC.png //www.gh-pc.com/乐动官网网址project/api-5l-pipeline-for-jg-summit-olefins/ 2020 - 02 - 27 - t15:55:09 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/JG_%E5%89%AF%E6%9C%AC.jpg JG_副本 //www.gh-pc.com/wp-content/uploads/2020/02/JG.png //www.gh-pc.com/乐动官网网址project/api-5l-gr-b-smls-pipe-for-cbi/ 2020 - 02 - 27 - t15:56:19 +喂饲 //www.gh-pc.com/wp content/uploads/2020/02/cbi_%e5%89%af%e6%9c%ac - 3. jpg CBI_副本 //www.gh-pc.com/wp-content/uploads/2020/02/CBI.png //www.gh-pc.com/乐动官网网址project/api-5l-pipeline-for-cbi-in-thailand/ 2020 - 02 - 27 - t15:57:09 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/CBI%E6%97%A0%E7%BC%9D_%E5%89%AF%E6%9C%AC.jpg CBI无缝_副本 //www.gh-pc.com/wp content/uploads/2020/02/cbi - 2. jpg //www.gh-pc.com/乐动官网网址project/api-smls-pipe-for-uae-client/ 2020 - 02 - 27 - t16:00:49 +喂饲 //www.gh-pc.com/wp content/uploads/2020/02/uae%e6%97%a0%e7%bc%9d_%e5%89%af%e6%9c%ac - 1. jpg 阿联酋无缝_副本 //www.gh-pc.com/wp-content/uploads/2020/02/UAE%E6%97%A0%E7%BC%9D.jpg //www.gh-pc.com/乐动官网网址project/api-5l-gr-b-smls-pipe-for-nssmc/ 2020 - 02 - 27 - t16:07:13 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/NSSMC_%E5%89%AF%E6%9C%AC.jpg NSSMC_副本 //www.gh-pc.com/wp-content/uploads/2020/02/NSSMC.png //www.gh-pc.com/乐动官网网址project/api-5l-gr-b-erw-for-hydiy/ 2020 - 02 - 27 - t16:13:53 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/HYDIY_%E5%89%AF%E6%9C%AC.jpg HYDIY_副本 //www.gh-pc.com/wp-content/uploads/2020/02/HYDIY.png //www.gh-pc.com/乐动官网网址project/astm-a106-pipeline-for-mpt/ 2020 - 02 - 27 - t16:16:21 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/MPT_%E5%89%AF%E6%9C%AC.jpg MPT_副本 //www.gh-pc.com/wp-content/uploads/2020/02/MPT2.png //www.gh-pc.com/乐动官网网址project/api-5l-gr-b-lsaw-for-south-africa-client/ 2020 - 02 - 27 - t16:22:17 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/%E5%8D%97%E9%9D%9ELSAW_%E5%89%AF%E6%9C%AC.png 南非LSAW_副本 //www.gh-pc.com/wp content/uploads/2020/02/%e5%8d%97%e9%9d%9elsaw - 1. png //www.gh-pc.com/乐动官网网址project/api-5ct-casing-pipe-for-turkey-client/ 2020 - 02 - 27 - t16:27:13 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/%E5%9C%9F%E8%80%B3%E5%85%B6%E6%B2%B9%E7%AE%A1_%E5%89%AF%E6%9C%AC.jpg 土耳其油管_副本 //www.gh-pc.com/wp-content/uploads/2020/02/%E5%9C%9F%E8%80%B3%E5%85%B6%E6%B2%B9%E7%AE%A1.png //www.gh-pc.com/乐动官网网址project/api-5l-gr-b-erw-for-south-africa-client/ 2020 - 02 - 27 - t16:40:54 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/%E5%8D%97%E9%9D%9EERW_%E5%89%AF%E6%9C%AC.jpg 南非ERW_副本 //www.gh-pc.com/wp-content/uploads/2020/02/%E5%8D%97%E9%9D%9EERW.png //www.gh-pc.com/乐动官网网址project/api-5l-x42-nace-pipe-for-mpt-in-south-africa/ 2020 - 02 - 27 - t17:12:46 +喂饲 //www.gh-pc.com/wp content/uploads/2020/02/mpt.jpg_%e5%89%af%e6%9c%ac - 1. png MPT.JPG_副本 //www.gh-pc.com/wp content/uploads/2020/02/mpt - 1. png //www.gh-pc.com/乐动官网网址project/astm-a179-smls-tube-for-eskom/ 2020 - 02 - 27 - t17:16:17 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/ESKOM_%E5%89%AF%E6%9C%AC.jpg ESKOM_副本 //www.gh-pc.com/wp-content/uploads/2020/02/ESKOM.png //www.gh-pc.com/乐动官网网址project/astm-a179-smls-tube-for-durban-client/ 2020 - 02 - 27 - t17:17:10 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/02/%E5%BE%B7%E7%8F%ADA179_%E5%89%AF%E6%9C%AC.jpg 德班A179_副本 //www.gh-pc.com/wp-content/uploads/2020/02/%E5%BE%B7%E7%8F%ADA179.jpg //www.gh-pc.com/news/industry-news/2020resume-work-notice/ 2020 - 03 - 05 - t10:27:03 +喂饲 //www.gh-pc.com/pipe-fittings/the-main-types-of-elbows/ 2020 - 03 - 19 t17:10:56 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/12/fittings3.jpg fittings3 //www.gh-pc.com/pipe-fittings/flanges-manufacturing-process/ 2020 - 03 - 19 t17:12:14 +喂饲 //www.gh-pc.com/wp-content/uploads/2019/12/%E6%B3%95%E5%85%B01.jpg 法兰1 //www.gh-pc.com/pipe-fittings/pipe-fittings-2/ 2020 - 03 - 19 t17:13:37 +喂饲 //www.gh-pc.com/wp content/uploads/2019/12/%e7%ae%a1%e4%bb%b61 - 1. jpg //www.gh-pc.com/乐动官网网址project/a192-smls-tube-for-thailand-client/ 2020 - 03 - 23 - t15:58:20 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/03/1_%E5%89%AF%E6%9C%AC.jpg 1 _副本 //www.gh-pc.com/wp content/uploads/2020/03/abtersteel - 2. jpg //www.gh-pc.com/manufacturing-process/erw-steel-pipe-manufacturing-process/how-to-control-the-accuracy-of-stainless-steel-welded-pipe/ 2020 - 03 - 25 - t17:04:47 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/03/%E4%B8%8D%E9%94%88%E9%92%A2%E7%84%8A%E7%AE%A1.jpg 不锈钢焊管 //www.gh-pc.com/line-pipe/identification-method-of-seamless-steel-pipe-and-welded-steel-pipe/ 2020 - 03 - 30 - t17:01:07 +喂饲 //www.gh-pc.com/wp content/uploads/2020/03/dsc04646 - 1. jpg DSC04646 //www.gh-pc.com/manufacturing-process/otcg-tube/api-n80-1-seamless-casing-pipe-with-btc-threads-as-per-api-5ct/ 2020 - 04 - 02 - t14:45:57 +喂饲 //www.gh-pc.com/wp content/uploads/2020/04/%e5%a5%97%e7%ae%a16 - 2. jpg 套管6 //www.gh-pc.com/乐动官网网址project/api-5ct-k55-casing-pipe-for-algeria-client/ 2020 - 04 - 03 - t16:14:50 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/04/%E9%98%BF%E5%B0%94%E5%8F%8A%E5%88%A9%E4%BA%9A1_%E5%89%AF%E6%9C%AC.jpg 阿尔及利亚1 _副本 //www.gh-pc.com/wp-content/uploads/2020/04/%E9%98%BF%E5%B0%94%E5%8F%8A%E5%88%A9%E4%BA%9A11.png //www.gh-pc.com/news/products-news/stainless-steel-pipe-types/ 2020 - 04 - 07 - t16:58:54 +喂饲 //www.gh-pc.com/wp content/uploads/2020/04/%e4%b8%8d%e9%94%88%e9%92%a2 - 1. jpg 不锈钢 //www.gh-pc.com/news/products-news/a-brief-introduction-of-steel-drill-pipe/ 2020 - 04 - 09 - t16:48:34 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/04/%E9%92%BB%E6%9D%86.jpg 钻杆 //www.gh-pc.com/news/products-news/how-is-stainless-steel-made-of/ 2020 - 04 - 10 - t16:06:06 +喂饲 //www.gh-pc.com/wp-content/uploads/2020/04/%E4%B8%8D%E9%94%88%E9%92%A222.jpg 不锈钢22 //www.gh-pc.com/news/products-news/types-of-casing-threads-used/ 2020 - 04 - 14 - t16:49:39 +喂饲 //www.gh-pc.com/wp content/uploads/2020/04/img_20190709_112944 - 2. jpg IMG_20190709_112944 //www.gh-pc.com/news/products-news/connection-method-of-galvanized-seamless-pipe/ 2020 - 04 - 21 - t16:51:01 +喂饲 //www.gh-pc.com/wp content/uploads/2020/04/%e9%95%80%e9%94%8c - 1. jpg 镀锌 //www.gh-pc.com/news/products-news/5-tips-of-looking-after-stainless-steel/ 2020 - 04 - 23 - t16:48:10 +喂饲 //www.gh-pc.com/wp content/uploads/2020/04/%e4%b8%8d%e9%94%88%e9%92%a2%e7%ae%a1 - 2. jpg 不锈钢管 //www.gh-pc.com/news/products-news/advantages-of-alloy-steel-pipe/ 2020 - 04 - 28 - t15:33:51 +喂饲 //www.gh-pc.com/wp content/uploads/2020/04/%e5%90%88%e9%87%91%e7%ae%a1 - 1. jpg 合金管