Susumu Tanigawa

Yonden Engineering Co., Inc., engages in research, design, manufacture, construction, and maintenance of electrical, mechanical, atomic-power, telecommunications, and environment-preservation facilities and equipment. Its business includes design, construction and management of waste disposal, water and sewage facilities. It also involves in production and sale of soft drinks and staffing business. The company was founded in June 1970 and is headquartered in Takamatsu, Japan.