... also available High Precision, New Technology, Very Complex Product No./NameJJ-00055 / Aluminum part for tools industry used die casting Manufacture ... tapping, drilling, polishing, punching, etc... 6) 3 advanced high & low temperature coating lines.7) Excellent equipment, Caring term service, Delivery in ... etc...6) Tolerance: +/- 0.0005inch, also accord with GB6414 Die cast aluminum security product