At present, abnormal jewel components of tens of sorts hundreds of types with least processing diameter about 0.7mm, least hole diameter 0.06mm, surface roughness 0.012 and least processing precision tolerance 0.005 have been supplied for different fields like domestic and foreign watch jewel bearings, marine and aerial instruments, electro instruments, civil water meter, ammeter, NOZZLE, fiber cutter medical scalpel etc.