... CNC aluminum parts,CNC brass parts,CNC copper fittingsPrecision CNC machining parts,Material:aluminum,steel,copper,carbon steel,stainless steel ... galvanizing,tumbling,powder coating,painting,polishingOur products are widely used in machinery,electrical and electronic,home appliances, medical device, toys, ... us directly.Http://www.addka.com Precision metal cnc machining part screw/slot/stud/nut