NPR-RIKEN CORPORATION

NPR-RIKEN CORPORATION is a Japanese manufacturer formed through the integration of Riken Co., Ltd. and Nippon Piston Ring Co., Ltd. Its businesses include automotive components such as piston rings, marine and industrial products, piping products and fittings, metal injection molded components, and thermal engineering. The company also lists EMC, medical and disaster-response, recreational-vehicle, general-purpose equipment, and semiconductor manufacturing-related products.