Hot Rolled (HR), Cold Rolled (CR), Galvanized Iron (GI) manufacturer / supplier in China, offering DC01 SPCC St12 Cold Rolled Iron Metal Coil CRC Steel Price, Corrosion Resistance Galvanized Steel Sheet Coil Minimized Spangle Gi Coil, Hot DIP Galvanized Steel Gi Sheet Gauge 24 22 21 20 19 18 17 14 and so on.