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