TPR Co., Ltd.

TPR Co., Ltd. develops and sells engine components in Japan, Asia, North America, and internationally. Its products include powertrain parts such as piston rings, cylinder liners, carbon scraper rings, valve seats, valve guides, sintered/steel seal rings, and shock absorber parts. It also offers industrial rubber parts, resin seal rings, home equipment, temperature control valves, infrared heaters and related equipment, aluminum products, EV-related products, and surface treatment products. In addition, the company provides carbon nanotubes and nano porous materials, exterior resin parts, metal/molding parts, electrical and electronic parts, automotive-related equipment and power system products, and CoRoMoCo, a communication support robot for nursing care facilities. Formerly known as Teikoku Piston Ring Co., Ltd., it changed its name to TPR Co., Ltd. in October 2011. Founded in 1908, it is headquartered in Tokyo, Japan.