We provide products with maximum reliability leveraging high-tech manufacturing!

Established in 1963, our company is a pioneering manufacturer of stainless steel springs. We have a 50 year track record processing stainless steel and special materials including Hastelloy C, Inconel, and titanium.
We are the global market share leader for automotive mechanical seal springs. Our products are used extensively around the world.
Our two factories are located in the cities of Iruma and Hanno in Saitama, Japan. Their capacity is sufficient for your needs.
All products are ISO 9001-certified. Our strict quality control brings only the highest quality products to our customers.
We aim to deliver outstanding craftsmanship with the quality, speed, and cost that you demand. We seek to build long-term, friendly business relationships with customers, and we look forward to hearing from you.

-Main Customer-
1.NOK Corporation
2.Eagle Industry Co., Ltd.
3.EagleBurgmann Japan Co., Ltd.
4.Nikkiso Co., Ltd.
5.Surpass Industry Co., Ltd.