Quality Raw Materials
The symbol of the raw materials of bearings is SAE52100.
All this kind of bearing steel are selected strickly from China famous steel factory.

Grease of bearings
All the grease from ESSO USA or SHELL Company.
The grease also can be applied according to customers' requirement.

Bearing Qualtiy level:All will be ABEC-3 or above

Producing process and Quality test:
Each process must be carried strickly under ISO9001:2000 standard.

Each products must be checked with special equipments before leaving the factory.

Quality Warranty
All the items will guaranteed within 50,000 kilometer's trip. Any faulty or defective products must be replaced once confirmation after the arrival of the shipment or solve the problems friendly with other way.