T. RAD Co., Ltd. engages in the manufacture and sale of heat exchangers for automobiles, construction and industrial machinery, air conditioning equipment, and generators. It operates through the following geographical segments: United States, Europe, Asia, China, and Others (Japan). It also offers automotive and other mechanical parts, and involves in the research and development of environment-related equipment. The company was founded on November 11, 1936 and is headquartered in Tokyo, Japan.