Deep hole thin wall ring SmCo magnet | Rotor magnet for quartz_watch stepping motor | Rotor magnet 2

All block ring and cylinder made of super hard materials | Watches' gem-bearing | Jewel bearings

Gem Stone Operation Blade | Fiber Optic Connector | Agate products, industrial ceramics, magnetic materials

Precision machining, watches ' parts | Special-shaped artificial-corundum products