Founded in December 1980 under the name Nichiyu Giken Kogyo Co., Ltd., NiGK Corporation is a subsidiary of NOF Corporation. With over 40 years of experience, NiGK has become a leader in the development of specific products such as temperature and UV indicators, sterilization equipment, and exploration technology from deep sea to outer space. In 2010, NiGK became a wholly-owned subsidiary of NOF and continues to expand its contributions to society through safe and reliable technology.

NiGK is known for combining scientific precision with extreme applications, making it the partner of choice in marine exploration projects, medical sterile environments, and space programs. With a commitment to sustainability, safety, and reliability, NiGK continues to create new value and technology that addresses global challenges across industries.