ERW Pipe for Construction ZHEJIANG BESTSUPPLIERS IMPORT & EXPORT CO., LTD. Base Info Type:WeldedTechnique:ERWSurface Treatment:NoUsage:Chemical IndustrySection Shape:RoundTrademark:QIANYIOrigin:China Description Pre:Steel Pipe (API 5L/ASTM A53) Next:Gi (Galvanized Steel Coil)