Koichi Tamagawa

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.

Shikoku Instrumentation Co. Ltd. produces electrical testing instruments. Its products include mechatronics and heat machining devices, heat exchanger unit, and LED floodlight. The company was founded in 1951 and is headquartered in Nakatado-gun, Japan.

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.

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.