THICI has been certified and registered
to ISO 9002:1994 quality system standard on December 22, 1998, and
upgraded the standard to ISO 9001:2000 quality management system
on May 28, 2002 according to the society's regulation.
Nippon Kaiji Kyokai (Quality NK) has issued this certificate as the certification society, and a member of the Raad voor Accreditatie (RvA) in Netherlands.