Precisely Drawn Carbon Steel Tubes, Small Diameter Tubes, Revolutionary High Performance Double-Tube Heat Exchanger

ISO

ISO
Awarding Authority ANAB
Inspecting Authority BSI Management Systems Japan Inc.
Recognized Locations Head Office and Production Facility, Akita Production Facility
Recognized Activities All (All Nishiyama Seisakusho tube production activities including product planning and development)
Recognition Limit Unlimited (No quantity limit on any Nishiyama Seisakusho activities).
Certificate Number FM76435