... .HANGZHOU YONGHONG ALUMINUM INDUSTRY CO.,LTDMaterialAluminium sheet Aluminum sheet/plate Aluminum coil A1050,A1060, A1070,A1100O,H12,H22,H14 ... , fasteners, hardware, wheels, screw machine products etc3A21/3003Anti-rust alloy, cannot be heat treated, not very high strength ... chemical handling, tanks, roofing and ceiling sheet etc3004Anti-rust alloy, cannot be heat treated,better strength than 3003 and ...