Roofing Materials, Galvanized Steel, Construction Material manufacturer / supplier in China, offering 0.2mm 0.30mm 0.54mm ASTM Galvalume Steel Coil for Corrugated Steel Sheet/750mm 762mm Aluzinc Steel Coil/Bwg 30/30 Gauge Gi Gl Galvanized Steel Coil, 0.13mm Gi Carbon Steel Galvanized Corrugated Steel Roofing Sheet/Galvalume Tile Metal Sheet/Building Material Steel Roofing Iron Sheet/Zinc Roof Sheet Price, 0.25mm*1000mm Corrugated Profile Roofing Sheet, 0.5mm Aluminum Box Profile and so on.