Zinc alloy part 1.The ablility to produce ... 6061 T6 or Other Metal material, aluminium,Copper,Alloy steel etc.2).Processing means, Precision CNC machining, ... etc. 3).surface treatment, Trivalent Chromate,Powder Coating,Plating,FIP process or others 3).Application, communication part, ... that the products you receive are in accordance with you requirement.The purpose of quality assurance activities ...