Roofing Sheet, Galvanized Steel, Galvalume Steel manufacturer / supplier in China, offering Normal Spangle Galvanized Coils, SGCC Grade, Various Thickness, Soft Hardness, for Door Panels, Zero Spangle Galvanized Coils – S450gd Grade, 1.5mm Thickness, Chromated & Non-Oiled, for Industrial Refrigeration, Hot Rolled Carbon Steel Channels A36 A572 S235jr S355jr C U Channel Upn80 Upn100 Upn120 S235jr Black and Galvanized U Channel Steel Carbon Channel Steel and so on.