... polishing 3,10 years oem experiences 4.cnc machining as customer's drawings machining partsFeatures:1. Material: steel, alloy steel, brass, stainless ... steel2. Machining: CNC turning, CNC milling, CNC drilling,3. Weight: 0.2- ... :86-574-87913612,87913610Fax:86-574-87913610Contact person:Albert Liu precision machining part