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Quality Assurance

Quality of the part is largely dependent on the success or failure of the heat treatment. Our continual technological innovation and rigid quality control system enable us to delivery stable quality and on-time delivery. Quality of the part is largely dependent on the success or failure

Quality Policy

  1. 1.	Recognize customer design specifications in terms of quality through close collaboration with the customer.
  2. 2.	Seek to raise the bar for individual skills and continually enhance the effectiveness of the quality management system.
  3. 3.	Establish and execute quality targets for each fiscal year.

ISO Certified Plants

ISO9001

ISO9001

Each of our plants, including the Atsugi, Higashi Matsuyama, Nagano and Yamaguchi plants, have acquired ISO 9001 certification.

Rigid Quality Control Practices

We inspect the structure of parts using optical microscopes used for metals and scanning electron microscopes, as well as part hardness using automated Micro Vickers hardness meters, Micro Vickers hardness meters and Rockwell hardness testers.


Fully automated Micro Vickers hardness meter

Micro Vickers hardness meter and Rockwell hardness tester

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