... surface Product No./NameJJ-00084 / CNC precision prototype part Manufacture Process1) Drawing/model/design analysis2) CNC rapid prototype machining3) Surface treatment: Trimming, ... 1250T. 5) 27 product lines of post processing facilities with CNC machining, turning, milling, tapping, drilling, polishing, punching, etc ... 6) Tolerance: +/- 0.0005inch, also accord with GB6414 CNC precision prototype part