Roofing Sheet, Galvanized Steel, Galvalume Steel manufacturer / supplier in China, offering Manufacture Dx51d Z140 ASTM Q195 Galvanized Gi Steel Strips 0.12-0.2mm, Cold Rolled Galvanized Gi Steel Strip for Packing Strap Dx51d Q195 Q235, Galvanized Steel Coil 0.8*16mm 19mm 32mm Cold Rolled Metal Gi Steel Strips and so on.