Steel Pipe, Steel Rebar, Carbon Steel Coil manufacturer / supplier in China, offering ASTM Dx51d Dx52D Zinc Coating Z60g 80g 120g 275g Hot Rolled Cold Rolled Galvanized Steel Plate, Ss400 Q235 Q355 Q345ms S275jr Plate Hot Rolled Carbon Steel Plate, Z60-Z180 Hot Dipped PPGI PPGL Galvanized Coil for Roofing Material and so on.