... , stamping, casting, die castingQC controlIQC Incoming quality control, IPQC In-process quality control, Outgoing quality control. 100% inspection on critical dimensions ... : polishing, zinc plating, nickel plating, chrome plating, powder coating, phosphate coating Brass Copper parts machining1.Materials: Cu-OF, CuAg0.1, CuZn10, CuZn30 ...