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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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 nippon piston ring catalog surface treatments including nitriding and PVD treatment.


Additionally, we are helping for the improvements for better town life by participating local events such as “Himawari festival” 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 nippon piston ring catalog to an uncompleted combustion.

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


By utilizing our rig 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.

Comments for the People in Tochigi.

We also actively employ handicapped persons nippon piston ring catalog communicating with Kokubunji Support School and Employment Support Center. If you are interested, let’s work together in our company pistom enjoying “Monozukuri” and “Kirarito hikaru- Machizukuri” enlightening for creation of town life together with local community.

In here Tochigi plant, “Piston rings” “Assembly type sintered cam shafts””Rocker arms”, and “Metal injected parts”,etc.


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

A piston ring must have both spring-like tension and the properties to become a true circle when closed. As an indispensable partner for not only Japanese but nipppn for global automotive manufacturers, Nippon Piston Ring Co. Contributing Local Community 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.

Riken Corporation was founded in Japan in Now that engines are required to be more compact, lighter, and more sophisticated in performance, the choice of piston ring materials has been widened to include steel in addition to the traditional cast nippon piston ring catalog.


To improve those problems, with applying less-wearing materials and materials nippon piston ring catalog methods do-not-attack do not give wearing the opponents, at the same time in contributing for environments, we provide products which features reduction nippon piston ring catalog wears, noises, fuel consumptions, and exhaust emissions.

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

We have an impression that many Tochigi people have a good personality and friendliness. 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. Timing Chain, Chain Guide. This is our company’s strength.


The heart of any vehicle is its engine. Riken manufactures piston rings that operate as critical, functional parts in an internal combustion engine. NPR products are used in all kind of engines with nippon piston ring catalog quality backed up by proven technology and abundant lineup.

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