... , brass, carbon steel, aluminum (according to customer's requirement.Surface TreatmentZn-plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, ... equipment, electronic sports equipment, light industry products, sanitation machinery, market/ hotel equipment supplies, artware etc.PackagingInner ... October, 2000, specializing in the production of CNC/AUTO lathe, springs, shafts, screws, stamping ...