... field,we can deal with precision CNC milling parts,CNC turning parts,grinding parts,wire cutting,polishing,heat treatment,surface treatment ... 3).Materials: Stainless steel ,cold work steel ,spring steel ,aluminum alloy,brass, bronze,copper, plastic ,according to customer request4). ... /OD Grinding 0.002Wire-Cutting 0.002 SUS bending Mechanical Maching Parts T=1 aluminum bending Mechanical Maching Parts