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>Full inspection

Quality inspection

Using the complete quality control system, we have strict inspection procedures during the manufacturing process, to assure each bearing to meet technical specifications including: width/OD/ID diameter precision measure, hardness tesing, round measure, low noise testing, control of grinding, max speed, bearing life.

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Production site (assembly line & finished products)

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Raw materials: 100% inspection

Inner & outer rings turning: 100% inspection

Heat treatment: random inspection

Face grinding: 100% inspection

Outside-diameter grinding: 100% inspection

Raceway grinding :100% inspection

Raceway super-finishing :100% inspection

Balls: 80% inspection

Shields :100% inspection

Retainers :100% inspection

Grease filling: 100% inspection

Bearings'turning: 100% inspection

Noise & vibration testing:100% inspection

Packing: 90% inspection before shipment


The high standard achieved ensures that every component from our fully automated factories will meet the critical standards set by our customers.


Our Quality Policies focus on increasing customer satisfaction through:

• Strategic management of our Corporation

• Proactive methods to reduce customer returns

• Continuous improvement of our processes

• Compliance with the Export Management System


100% clean room:

To make bearings steady moving, we maintain two 100% clear(No dirty) room to fit bearings excellent quality.



>Suppliers of raw materials

Material declaration must be provided that materials delivered again cover order are according to RoHS Compliant, this statement must include, as a minium, purcahse order number, part identification,quantity, RoHs restricted material including lead, Mercury, Cadmium, Hexavalent chromium,Polybrominated biphenyls(PBB) or Polybrominated diphenyl ethers(PBDE).