Stamping part 1.material including iron,steel, stainless steel,copper,aluminumetc 2.accurate in reading ... metal props. Materialcarbon steel,galvanized steel sheet,iron,stainless steel,galvanized iron,copper, brass,aluminum,alloy steel,tinplate and other ... demands, such as polishing,heat treatment,plating,acid treatment,zinc plating, nickel plating,chrome plating,dip coating,phosphate coating, anodize ...