... .MaterialStainless steel, copper, brass, carbon steel, aluminum (according to customer's ... powdering, color zinc-plated, blue black zinc-plated, rust preventive oil, titanium alloy galvanized, silver ... automobile fittings, shaft, nut, sleeve, door knob ,toy accessories etc. Producing EquipmentCNC ... machine COYO/ALSGS & CY-L-90,Continuous hot wind tempering ... Aluminum alloy 6061 precision CNC turned parts