TPR

Engine Components, Rubber Products & Industrial Materials · Chiyoda, Tokyo

TPR manufactures piston rings, which keep engine cylinders sealed and control lubricating oil, along with cylinder liners and sintered valve seats and valve guides. Its powertrain parts are used in engines and transmissions for automobiles and other transport equipment, industrial machinery and power-generation machinery.

The company also makes rubber and resin products, EV-related products, automotive exterior parts, original accessories and related equipment, and precision measuring instruments. It produces carbon nanotubes and nanoporous materials for electrodes and rubber or resin composites, and group companies provide construction, nursing care and insurance services.