Our products and services

The company's main products include automotive industry parts, electronics, and parts for electrical appliances.

Focus on product features such as durability and accuracy.


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World-class technology and quality

KKT has fully transferred technology and knowledge from its parent company in Japan, enabling us to produce premium automotive and electronic parts that meet international standards at every stage, including design, production, and quality inspection with state-of-the-art equipment such as roundness measuring machines, laser micro-scanners, and more.

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Aiming for excellence

We place great importance on quality control at every stage of the manufacturing process to ensure that the products delivered to our customers are of the highest precision and reliability. We operate under the principle of continuous improvement to meet the changing needs of our customers.

Management Philosophy

  1. Actions and Decisions
  2. Build a company that can meet customer needs
  3. Research future technologies
  4. Educate employees to meet the demands of the times

CSR (Corporate Social Responsibility) Policy

To achieve sustainable development, we comply with national and international laws and conduct business activities with integrity.

  1. Customer
    Based on our management philosophy of "creating a company that can meet customer requests", we will respond to various requests, provide services, and protect confidential information with a customer-first approach.
  2. We respect our business partners.
    Build mutual trust based on our management philosophy of "researching the necessary technologies with time" and strive to develop together by improving the necessary technologies with time. We also strive to continue to conduct fair and free transactions.
  3. Employee
    We respect the individuality and diversity of our employees and support their personal growth, in line with our management philosophy of “Educating Employees to Meet the Needs of the Times.” We are also committed to creating a safe and comfortable workplace and providing fair working conditions. We respect the human rights of our employees and do not engage in forced or child labor under any circumstances.
  4. Environment
    We realize that protecting the global environment is one of our most important issues, and we prioritize environmental issues in all our business activities, and are committed to reducing the environmental burden by providing environmentally friendly products and services. I will try my best. (Basic Environmental Policy)
  5. Society
    We, as local residents, actively participate in interactions with the local community and social welfare activities based on respect for humanity. We will also promote activities that consider the impact on social issues such as human rights and the environment, while ensuring that there will be no adverse impact on the local community.

Company History

Kyowa Kogyo Co., Ltd.
Founded: February 1, 1965
Registered capital: 20 million yen
Head office: 2-4-15 Shimo-aso, Aso-ku, Kawasaki, Kanagawa 215-0022
Telephone: 044-988-1462
Fax: 044-988-1391
URL: https://www.kyowakogyo.co.jp/
Managing Director: Kinzo Misumi
Number of employees: 250 people
Sales: 2.5 billion yen


  • 1963Start making ball bearings

    At Sankaku Seisakusho in Kokuryo-cho, Chofu City, Tokyo
  • 1965The company name was changed to Kyowa Kogyo Co., Ltd.

    And the company has been successful in producing VTR shafts, Capstan shafts, Micromotor shafts, FD guide shafts and precision machining of electrical machinery parts, which have received good reviews from many customers.
  • 1967Establish head office and factory

    Started operations at 1014 Shimoaso, Aso-ku, Kawasaki City, Kanagawa Prefecture Started cutting, hardening, and polishing of needle and roller bearings
  • 1975Established Ninomiya Seisakusho Ltd.

    In Ninomiya City, Tochigi Prefecture
  • 1984Established Kyowa Kogyo Okuwa office

    Started operations in Okuwa Village, Nagano Prefecture (Machining, heat treatment, grinding combined plant) Strengthening of automotive parts equipment
  • 1998Established Kyowa Kogyo (Thailand) Ltd.

    Started operating a factory in Thailand
  • 2003Certified to ISO9001 2000 standards

    Factory in Thailand/Okuwa Office
  • 2005Certified Eco Action 21

    For environmental management system (Okuwa Office)
  • 2008ISO/TS16949 Quality Management System Certification

    For factories in Thailand
  • 2010ISO 14001 Environmental Management System Certification

    For factories in Thailand
  • 2012Certified Eco Action 21

    For environmental management system (headquarters factory)
  • 2015Certified ISO9001 2008

    Head office factory
  • 2017Okuwa Works' 4th Factory

    Started operations and received environmental management system certification.
    ISO9001 2008 (Machida Factory)
    Eco Action 21 (Machida Factory)
  • 2018Received IATF16949:2016 ISO9001 2015 edition

    Head office, Okuwa office, Machida factory
    IATF16949 2016 edition (Factories in Thailand)
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  2. Denso (Thailand) Co., Ltd.
  3. FCC (Thailand) Co., Ltd.
  4. Honda Trading Asia Co., Ltd.
  5. KYB Steering (Thailand) Co., Ltd.
  6. NHK Spring (Thailand) Co., Ltd.
  7. NTN Manufacturing (Thailand) Co., Ltd.
  8. Mitsubishi Motors (Thailand) Co., Ltd.
  9. Musashi Auto Parts Co., Ltd.
  10. SDS International Group Co., Ltd.
  11. Takahata Precision (Thailand) Co., Ltd.
  12. Techno Associe (Thailand) Co., Ltd.
  13. TBKK (Thailand) Co., Ltd.
  14. Thai Summit Engineering Co., Ltd.
  15. Thai Yamaha Motor Co., Ltd.
  16. Toyonaga (Thailand) Co., Ltd.
  17. T.S.K. Forging Co., Ltd.
  18. YAHATA INDUSTRY (Thailand) Co., Ltd.