... quality We offer 1000series, 3000series, 5000Series,6000series aluminum coil and aluminum sheet.1) Alloy : 1,3,5 ... series(1050 ,1060,1070,1100,3003,3004,3105,)5052,5083,6061 ... for traffic signs and cabinets,aluminum and plastic composite board,aluminum and plastic pipe,and bottle ... cap,as well as curtain wall board/aluminum curtain board,ceiling board/special-shaped ceiling ...