... .Edges & holes deburred,surfaces free of scratches.4.Assembly part completely according to your drawings or sample5.The most advanced ... Materialsteel, stainless steel, Invar, carbon steel, free cutting steel, aluminum, brass, copper, alloy, etcFinishPlating, Oxidation, Blasting, Painting, Anodizing, Heat treatment ... Perfect Services High quality Custom various material cnc machining part