Founded in 1979, we have expanded our global operations as a premier manufacturer of hex key (allen key) wrenches based in Taiwan. Jaco is dedicated to meeting your needs with stringent quality standards, exceptional service, and innovative design.


In our continuous research and development endeavors, we prioritize our customers' requirements. Your valuable advice and opinions are greatly appreciated.


We sincerely thank you for your business and cooperation, and eagerly anticipate fostering mutual growth together, both now and in the near future.