... 1. material: metal 2. Finish: none 3. OEM machining 4.Tolerance:+/-0.1mm OEM cnc turning and milling partⅠ.BRIEF INTRODUCTIONWe can ... , copycat, electrograph, connector (civil , military, aviation),laser head, optic fibres, automobile , etc. conform to standards of ANSI/ASTM, BS, DIN, NFA ...