O.N. Industries Ltd.started the manufacturing of stainless steel fitting products in 1964.

New head office/factory built 4 years ago are located in Tsuyama City, Okayama prefecture, Japan. There are appx. 200 employees in headquarter/factory and businessoffice around Japan.

One of our products,"O.N. Fitting"has a unique connecting method called pipe enlargement system. It is certified product of DVGW W534.

Among other products, Nice Joint(Domestic market product, trademark of O.N. Industries Ltd.) for general purpose piping gained the first ISO 9001 certification in this industrial field in Japan(April 1999) and we are striving for enhanced customer satisfaction through high quality and stable supply to respond to strong demand from our customers.

In the 21st century, environmental hormones and the recycling products have gained prominent attention as social problems. We gained ISO14001 certification(June 2006) and we desire to devote ourselves to the manufacturer of stainless steel products that contribute to respect for human life and the improvement of the global environment.