... copper, engineering plastic (Delrin, Nylon, Teflon, POM), or according to customer request.3. Processing machine:CNC machine, ... , EDM, wire cutting machine.4. Finishing:zinc plating, nickle plating, chrome plating, phosphating, polishing, case hardening, carburization hardening, ... : negotiable8. Package:crate, carton, wood pallet, or on requirement. 9. OEM welcomedWith experienced technical engineers ...