Published the Product Information / Power Train Related Parts Information of NIPPON PISTON RING CO., LTD. NPR of Europe GmbH – Our precission parts are being used successfully across the globe. Check your piston rings RS4/6 – Piston ring sets Newsletter. RS4 Piston Ring Sets. Einleitung. Seite der Firma NPR of Europe GmbH. Further to the products in this catalogue NPR of Europe’s sales department has.

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NPR products are used in all kind of engines with high quality backed up by proven technology and abundant lineup. We have an impression that many Tochigi people have a good personality and friendliness.


Contributing Local Community In considering to help the local community, we nippon piston ring catalog pupils and students from elementary and junior high schools for plant tours, and accept an internship for high school and university students.

In considering to help the local community, we invite pupils and students from elementary and junior high schools for plant tours, and accept an internship for high school and university students.

Moreover, in order to enhance their wear resistance and durability, they also undergo various surface treatments including nitriding and PVD treatment. The heart of any vehicle is its engine.


This is our company’s strength. A piston ring must have both spring-like tension and the properties to become a true circle when closed. Riken Corporation was founded in Japan in Comments for the People in Tochigi. Additionally, we are helping for the nippon piston ring catalog for better town life by participating local events such as “Himawari nippon piston ring catalog cosponsored by Nogi Town Factories Association, and cleaning of the road from the plant to Nogi station where many employees are commuting every day.


The engine consist of diverse parts which create frictions while matching each other, and may leads to an uncompleted combustion. By utilizing our unique technologies, such as Tribology technologies anti-friction, wear-resistant developed during the 76 years of an exclusive manufacturer of internal combustion engine’s parts, we are providing safe and environment friendly products.

Timing Chain, Chain Guide. Riken manufactures piston rings that operate as critical, functional parts in an internal combustion engine.

Our main business is manufacturing and sales of production nippon piston ring catalog replacement parts, for automobile and catalgo and marine engines in domestic and overseasincluding such functional engine parts as piston rings, cylinder liners, and valve mechanical parts.

We also actively employ handicapped persons by communicating with Kokubunji Support School and Employment Support Center. As an indispensable partner for not only Japanese but also for global automotive manufacturers, Nippon Piston Ring Co.

Few large-sized natural disasters, a good access of infrastructure of roads and rails, and nippon piston ring catalog Nogi Town is located in the nippon piston ring catalog part of Tochigi where can be communed not only in Tochigi, but also from a part of Saitama, Gunma, and Ibaraki prefectures, are among the merits we are recognizing.

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Today Riken is helping its vehicle manufacturer customers cataolg environmentally friendly vehicles by providing a variety of piston rings that are designed and produced with advanced engineering and technology.

NPR of America, Inc.

By having the Control Center a division of logistics in Tochigi plant, we are also playing a roll of collecting all products manufactured at our two group companies, NPS Fukushima Works Co.

In here Pjston plant, “Piston rings” “Assembly type sintered cam shafts””Rocker arms”, and nippon piston ring catalog injected parts”,etc.

If you are interested, let’s work together in our company by enjoying “Monozukuri” and “Kirarito hikaru- Machizukuri” enlightening for creation of town life together with local community. To improve those problems, with applying less-wearing materials and materials or nippon piston ring catalog cahalog do not give wearing the opponents, at the same time in contributing for environments, we provide products which features reduction of wears, noises, fuel consumptions, and exhaust emissions.

Now that engines are required to be more compact, lighter, nippon piston ring catalog more sophisticated in performance, the choice of piston ring materials has been widened to include steel in addition to the traditional cast iron. Engines for environmentally friendly vehicles operate under conditions that are continually more demanding and require components and parts that embody the highest level of technology.