AUTHORIZATION
NAS TOA CO., LTD.
Chigasaki Plant
- Quality Management System
- JIS Q 9001：2015
- ISO 9001：2015
- JIS G 3459 – Stainless Steel Pipes：JQ0313008
- JIS G 3463 – Stainless Steel Tubes for Boiler and Heat Exchanger： 〃
- JIS G 3448 – Light Gauge Stainless Tubes for Ordinary Piping： 〃
- JIS G 3468 – Large Diameter Welded Stainless Steel Pipes：JQ0313009
- Electricity Business Act / Approval for Welding Methods for Thermal and Nuclear Power Generation Facilities
22 types of Welding Methods
- Gas Business Act / Welding method approval
26 types of welding methods
- Approval of Welding Methods for Nuclear Source Material / Nuclear Fuel Material and Nuclear Reactors
- Approval of Manufacturing Process for Stainless Steel Welded Pipes for Ships
- Nippon Kaiji Kyokai (ClassNK)
- Lloyd’s Register (LR)
- DNV (Det Norske Veritas)
- Bureau Veritas (BV)
- Korean Register (KR)
- Approval of Manufacturing Process for Stainless Steel Welded Pipes for Water Supply
Japan Water Works Association (JWWA) registered inspection factory
- Manufacturing Permission for Class 1 Pressure Vessel Stainless Steel Pipe
- Permit No. Jin-Ki-Nin-Bo No.1049
- Permit No. Jin-Ki-Nin-Bo No.2170
- Permit No. Jin-Ki-Nin-Bo No.2188
Kawasaki Manufacturing Section
- Electricity Business Act / Approval for Welding Methods for Thermal and Nuclear Power Generation Facilities
9 types of Welding Methods
- Gas Business Act / Welding method approval
8 types of welding methods
- Approval of Manufacturing Process for Stainless Steel Welded Pipes for Ships
- Nippon Kaiji Kyokai (ClassNK)
- Lloyd’s Register (LR)
- DNV (Det Norske Veritas)
- Bureau Veritas (BV)
- Korean Register (KR)
NAS TOA (Thailand) Co.,Ltd.
- Quality Management System
- JIS G 3459 – Stainless Steel Pipes：JQ0313008
- JIS G 3463 – Stainless Steel Tubes for Boiler and Heat Exchanger： 〃
- JIS G 3448 – Light Gauge Stainless Tubes for Ordinary Piping： 〃
- PED2014/68/EU
