Techno Ryowa Ltd. engages in the design and installation of thermal and air conditioning equipment for factories and office buildings. It operates through the following divisions: Air Conditioning and Sanitation Equipment Construction, Electrical Equipment Construction, Cooling Equipment Sales, and Others. The Air Conditioning and Sanitation Equipment Construction division handles the design and construction of small air-conditioning and sanitary equipment using equipment. The Electrical Equipment Construction division coves the designs and constructs electrical equipment construction. buildings and medical facilities. The Cooling Equipment Sales division handles sales of air conditioners through its subsidiaries. The Others division includes constructing a solar power generation facility and selling the generated power. The company was founded by Hachiro Chikashige on December 23, 1949 and is headquartered in Tokyo, Japan.