Quality System

Leading-edge technology allows for submicron precision. We produce high-quality shapes, reflecting our technology onto every product.

We inspects each bearing through the advanced instrument and mild technology by the established quality-controlling department.
Below the following is WT production process and corresponding quality inspection:

Material incoming: 100% inspection
Inner & outer rings turning:100% inspection
Heat treatment: random inspection
Face grinding :100% inspection
Centerless grinding :100% inspection
Bore grinding:100% inspection
Inner & outer groove grinding: random inspection
Inner & outer grooves superfinish grinding:100% inspected
Assembly:100% inspection
Grease filling: 100% inspection
Noise & vibration testing:100% inspection
Packing & storing:the final 10% inspection before the formal shipment