T.RAD Co Ltd engages in manufacture and sale of automobile parts and other machinery. Its services include the manufacturing and marketing of heat exchangers for automobiles, construction, and industrial machines, air conditioners, distributed generators, parts for automobiles, environment-related equipment, and others. The firm's main products consist of radiators, oil coolers, EGR coolers, intercoolers, recuperators, fin coils for air conditioners, and other heat exchangers.