... 1000series, 3000series, 5000Series,6000series aluminum coil and aluminum sheet.1) Alloy : 1,3,5 series(1050 ,1060,1070,1100,3003, ... used for traffic signs and cabinets,aluminum and plastic composite board,aluminum and plastic pipe,and bottle/tank ... board/aluminum curtain board,ceiling board/special-shaped ceiling board,aluminium sheets for cable channel, electrical manufacture,etc. 1050 Aluminum