Hot Rolled (HR), Cold Rolled (CR), Galvanized Iron (GI) manufacturer / supplier in China, offering Hot DIP Galvanized Checkered Gi Steel Plate Z275, Hot DIP Gi Steel Coil Galvanized Iron Checkered Metal Roll, Hot DIP Gi Sheet Checkered Galvanized Steel Plate Z80 Z120 Z150 Z220 Z275 and so on.