Directions to company Head Office, Kawagoe No. 2 plant, Hanyu plant, and the test course.

We continue research and development on products to meet current needs, repeating the cycle of research, development, testing and verification.

We endeavor to build systems based on the company management philosophy, and have obtained various certifications.

A brief history of the company from 1938, when it was established, till today.

SANWA SEIKI is central to the Nishiumi Group of companies, which is active in a variety of specialist fields.

The Nishiumi Group actively collaborates with overseas manufacturers, with activities such as technical cooperation and sales contracts.

Some of our major clients are described below.