... , painting, powder coating, anodize and polishing3) Provide machining service: CNC machining, turning, milling, tapping, drilling, polishing, punching, etc... ... to 1250T. 5) 27 product lines of post processing facilities with CNC machining, turning, milling, tapping, drilling, polishing, punching, etc ... etc...6) Tolerance: +/- 0.0005 inch, also accord with GB6414 CNC machining for tools spare part