O.N. INDUSTRIES LTD.

We are a pipe fitting manufacturer for stainless steel pipe. Our main portfolio, O.N. Fitting has an unique connecting structure called pipe enlargement system. It is suitable for cold water, hot water, air, steam, steam condensation, high-temperature water, and firefighting etc. For stainless steel water supply, hot water supply, and cold/hot water piping. The pipe expansion-type fitting for light gauge stainless steel pipes ・ISO9001 Registration No.99QR-170 ・Japan Stainless Steel Association Approval No.32206, No.32221 ・Ministry of Land, Infrastructure, Transport and Tourism Listed in Standard Specifications for Public Works Construction ・"Certified Product" of Japan water Works Association Quality Certification Center ・Won the Special Prize for the Fifth Monodukuri Nippon Grand Awards (2013)