... for auto and motor accessories with high air tightness Product No./NameJJ-00068 / Aluminum precision die casting part for auto and ... to 1250T. 5) 27 product lines of post processing facilities with CNC machining, turning, milling, tapping, drilling, polishing, ... sandblasting etc...6) Tolerance: +/- 0.0005inch, also accord with GB6414 Aluminum precision die casting part for auto and motor accessories