... .New products (Copper sheet and red copper sheet and aluminium sheet )For copper sheet,we can provide H59,H62(C2700),H63,H65 ... ) excellent ductility and corrosion resistance3) according with the national standard For aliminium sheet ,we can supply 1050,1060,1100,3003,3004 ... ,5052,5005,5083,6061,7075and so on For examples:1050 Chemical Composition limits(WT.%)Si . . . . . . . . . . . 0.25 ...