... :+/-0.002mm CNC,turning lathe ISO9001:2008 aluminum alloy zinc die casting parts stamping parts 1.The advantages compared with ... etc) ~Various materials(stainless steel, aluminum, iron, steel alloy, copper etc) ~Mature technology in inspection ~5000 pcs per ... substantial orders. Surface treatmentBlacking, Polishing, Anodize, Chrome plating, Zinc plating,Nickel plating, Tinting, Power coating, E-coating ...