... products (Copper sheet and red copper sheet and aluminium sheet )For copper sheet,we can provide ... H85,H90(C2200) ,H96 and so on For red copper sheet ,we can provide C10100,C10200, ... 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 . . . . . . . ...