... milling part field,we can deal with precision CNC milling parts,CNC turning parts,grinding parts,wire cutting,polishing,heat treatment,surface treatment ... ).Materials: Stainless steel ,cold work steel ,spring steel ,aluminum alloy,brass, bronze,copper, plastic ,according to customer request4).Finish:Anodizing,plating ... 0.002Wire-Cutting 0.002 High quality aluminum CNC machining precision parts