Development steps

KOYO FASTENER Co., LTD.

Head office, Sales department
2-24-20 Yaguchi, Ota-ku, Tokyo

TEL +81-03-3759-0361(Main)
FAX +81-03-3759-5706

operating hours 8：30 ～ 17：30(JST)

- Product information
- Quality and environmental measures
  - Koyo's quality environmental control standards (excerpt)
- About us
  - Company philosophy and policy
  - Company information
- - Privacy Policy