Offices
Head Office
8F,11-14,Ginza 5-Chome, Chuo-Ku, Tokyo 104-0061 JAPAN map（PDF） Google Map
TEL +81 3 5148 2030
FAX +81 3 5148 2031
ISO 9001 Registered
OTEC R&D Center / Imari Plant
5-91, Nanatsujima, Shioya, Kurogawacho, Imari, Saga 848-0121 Japan
TEL +81 955 20 7570
FAX +81 955 20 7571
ISO 9001 Registered
ASME(The American Society of Mechanical Engineers) U-Stamp
The Non-governmental Accreditation of Product Certification of Welding
Process Controls for Electrical Facilities
