Roofing Sheet, Galvanized Steel, Galvalume Steel manufacturer / supplier in China, offering Dx51d 1/2" 3/4 1"2"1.5" 4 Inch Hot-DIP Galvanized Steel Pipe, 0.9 Thickness Pre Painted Steel Coil Hot Dipped Galvanized Steel Coil, Hot Dipped 0.3mm 0.5mm Dx51d+Z Galvanized Steel Coil and so on.