Stainless Steel, Galvanized Galvalume Steel Coil, Carbon Steel manufacturer / supplier in China, offering PPGL Prepainted Galvalume Steel Coil Dx51d Dx52D Dx53D 0.5mm Thickness Galvalume Steel Coil Az150, Wholesale Hot Galvanized Steel Pipe 1/2" Sch 40 (. 840 OD X. 109 wall) ASTM A53 Galvanized Pipe 20 FT in Stock, Factory Wholesale Hot DIP Galvanized Pipe 6" Sch 40 A500 ASTM A53 Galvanized Steel Pipe 1.5 Inch and so on.