... 3.Tolerance:+/-0.03mm 4. Delivery on time CNC precision machinery parts Production Range:We are a professional manufacturer in China being ... ,we can deal with precision CNC milling parts,CNC turning parts,other machining part,grinding parts,wire cutting,polishing,heat treatment,surface treatment ... .01ID/OD Grinding 0.01Wire-Cutting 0.01 CNC precision machinery parts