空心部分

热浸出的镀锌方管用于结构项目，货架，架子，拖车和装饰目的。乐动官网网址方形钢管制造的框架，用于为屋顶提供支撑。该框架也用作屋顶通风挡板。与圆形钢管相比，方形钢管几乎没有效率。I.Product Basic Info: Name Hot dipped galvanized square pipe Surface Galvanized (200-220g/m2 usual,can be request by customer) Material Q195,Q215,Q235 MOQ 1 tons for normal size and material WT As customer’s requests Payment terms TT or L/C Trade terms FOB,C&F,CIF,EXW Length Fixed or random,as customer request. […]