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WD Bearing Group is certified by TS 16949 and ISO 9001. With the continuously improved operation management processes, comprehensive professional inspection instruments and high-quality quality team, WD implements the entire process of quality control through raw material inspection, process monitoring and finished product inspection. WD assures the high quality and traceability of every bearing to our customers.

  • Select high quality steel
  • Check raw material quality
  • Physical and chemical analysis
    • Quality control plan
    • Control production process
    • CPK monitor of key process
    • In-process quality control
    • Save all process inspection records
    • Quality control of outsourcing components
    • Heat treatment check
    • OQC standard:
      Sampling check:S-3
      AQL main item:1.0
      AQL Sub item:4.0

      In WD inspection lab, we are equipped with SPECTROCHECK metal analyzer, NITON hand-held metal analyzer, MAHR contour & surface measuring station, MAHR universal form measuring machine, length measuring instrument, salt spray testing machine, life testing machine, etc. And yet, we keep bringing in latest instruments. With all these equipment and our experience, we are able to provide expert quality inspection including material, metallography, hardness, dimension precision, rotation precision, clearance, etc. Whats more, we are also able to do special tests according to customers requirement, such as lifetime test, salt spray test, water resistance test, etc. To further ensure the product quality, WD works closely with third party bearing labs and institutions for product test.

      Quality Creates Value is the slogan of every WD employee. We are committed to improving product quality, customer experience and customer satisfaction.

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