GTO Science & Technology Co., Ltd Quality Control

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  Standard:CE

  Number:dev bianhao

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  Standard:CE

  Number:dev bianhao

  Issue Date:

  Expiry Date:
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  Standard:ISO9001

  Number:dev bianhao

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  Standard:CE

  Number:dev bianhao

  Issue Date:

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  Standard:ISO 13485

  Number:dev bianhao

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  Standard:CE

  Number:dev bianhao

  Issue Date:

  Expiry Date:
• 
  Standard:CE

  Number:dev bianhao

  Issue Date:

  Expiry Date:
• 
  Standard:CE

  Number:dev bianhao

  Issue Date:

  Expiry Date:

• Optimal quality, durable in use, with competitive price
• We pass ISO 9001 Quality System Certificate

eading-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 establish ed quality controlling department.

Below the following is WT production process and corresponding quality inspection:

Meterial incoming: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 groove superfinish grinding:100%inspected

Assembly:100%inspection

Grease filling:100%inspection

Noise&vibration testing;100%inspection

Packing&storing:the final10%inspection before the formal shipment