o Electric Industries, Ltd. is limiting the rate of its employees who come to work to a maximum of around 50% to encourage social distancing. Jatco Ltd. will continuously use remote work together with staggered commuting hours in view of both infection prevention and a more efficient working style. Nippon Piston Ring Co., Ltd. will consider the use of remote work individually for its employees who can effectively work remotely in view of business...

Major Suppliers  Updated at: 2026/06/11

hina] Main Camshaft suppliers in China ・thyssenkrupp ・MAHLE ・ASIMCO Technologies ・Shanghai Sandmann Foundry ・Beiqi Beinei Engine Parts (BEPC) ・Dongfeng Honda Auto Parts ・GAC Toyota Engine [Japan] Camshaft market share in Japan ・Toyota 36% ・Riken 25% ・Nissan 12% ・Mazda 12% ・Nippon Piston Ring 8% ・Others 7% [India] Camshaft market share in India ・Precision Camshafts 60% ・India Pistons 25% ・Others 15% ...

Who Supplies Whom  Updated at: 2026/05/25

er Co.,Ltd. TPR Co., Ltd. [Japan] Distribution of Valve Guide sources for given OEMs in the Japanese market (2022)Toyota: Asahi Tekko 89%, Resonac (formerly Showa Denko Materials) 11%Nissan: Resonac 100%Honda: Resonac 96%Mazda: Resonac 98%Mitsubishi Motors/Mitsubishi Fuso: Diamet 36%, Resonac 19%, Nippon Piston Ring 19%Suzuki: Resonac 100%Daihatsu: Asahi Tekko 92%SUBARU: Resonac 100% Distribution of Valve Seat sources for given OEMs in the J...

Who Supplies Whom  Updated at: 2026/05/25

The Company. Nov. 2010 The Company sold ASIMCO Nanyue (Hengyang) Co., Ltd. and ASIMCO Nanyue (Hengyang) Aluminum Products Co., Ltd. Dec. 2013 Yizheng NPR ASIMCO Powder Metallurgical Manufacturing Co., Ltd., a joint venture between the ASIMCO Group's Yizheng Shuanghuan Piston Ring Co., Ltd. and Nippon Piston Ring Co., Ltd., started operations. Mar. 2015 ASIMCO announced that the company and Frits Winter of Germany have signed an agreement t...

Major Suppliers  Updated at: 2026/05/24

. Motor core NHK Spring Co., Ltd. - Atsugi Plant Motor core Nikkindenji Kogyo Co., Ltd. Motor core Nippon Ceramic Co., Ltd. Motor core Nippon Steel Electrical Steel Co., Ltd.(Formerly Nippon Steel & Sumikin Electrical Steel Co., Ltd.) Motor core NPR - Riken Precision Corporation (Formerly Nippon Piston Ring Co., Ltd.) Motor core Saito TM Co., Ltd. Motor core Sanyo Seisakusho Co., Ltd. Motor core SHINKO ELECTRIC INDUSTRIES CO., LTD...

Green Vehicle Suppliers  Updated at: 2026/05/21

R Asian Sales (Thailand) Ltd. TPR Co., Ltd. [Global] Main Cylinder Liner suppliers globally ・TPR Group (incl. Tenneco, Anqing TP Goetze Liner) ・ZYNP Corporation ・MAHLE [North America] Cylinder Liner market share in North America ・MAHLE 36% ・TPR Group (incl. Tenneco) 20% ・Honda 11% ・Nippon Piston Ring 5% ・Others 28% [Europe] Main Cylinder Liner suppliers in Europe ・TPR Group (incl. Tenneco) ・MAHLE ・Bergmann Automotive ...

Who Supplies Whom  Updated at: 2026/05/14

NPR-RIKEN Corporation - Korea Representative Office (Formerly NPR Korea - Representative Office) Korea - Shareholder(s) : Nippon Piston Ring Co., Ltd. Various machining Iron casting Piston ring Heat treatment ...

Search Suppliers  Updated at: 2026/05/07

NPR-Riken Precision Corporation - Fukushima Plant (Formerly Nippon Piston Ring Co., Ltd. - Fukushima Plant) Japan -Group: NPR Riken Group Various machining Iron casting Cylinder liner Heat treatment Valve seat Paint coating Camshaft Various stampings Various casting Sintering ISO14001 ISO9001 IATF16949 (Formerly ISO/TS16949)...

Search Suppliers  Updated at: 2026/05/07

NPR-Riken Precision Corporation - Tochigi Plant No.2 (Formerly Nippon Piston Ring Co., Ltd. - Nogi Branch of Tochigi Plant) Japan -Group: NPR Riken Group Piston ring MIM製品 (Metal Injection Molding) ISO14001 ISO9001 IATF16949 (Formerly ISO/TS16949)...

Search Suppliers  Updated at: 2026/05/07

NPR - Riken Precision Corporation (Formerly Nippon Piston Ring Co., Ltd.) Japan -Shareholder(s): NPR-Riken Corporation Heat treatment Rocker arm Valve seat Other valvetrain parts Rocker shaft Assembly Various machining Valvetrain system Hot forging Camshaft Valve guide Piston ring Valve lifter Motor core for drive motor Sintering In-wheel motor Cylinder liner Commercial vehicle parts Iron casting Valve seat insert Rocker bridge Assembled sinter...

Search Suppliers  Updated at: 2026/05/07

r results (cumulative) Parts suppliers that primarily handle engine parts are facing increasingly severe business management. Owing to suspended or reduced vehicle production caused by the coronavirus (COVID-19) pandemic, four major Japanese engine parts suppliers, TPR Co., Ltd., Riken Corporation, Nippon Piston Ring Co., Ltd., and Nittan Valve Co., Ltd., announced poor financial results for the fiscal year ended in March 2021. All of their sales...

Major Suppliers  Updated at: 2026/04/10

gy Co., Ltd., jointly with Anqing Piston Ring Factory and Anqing TP Goetze Piston Ring Co., Ltd., in China to produce and sell sintered valve seats. May, 2000 Established Federal Mogul TP Sunderland jointly with Federal Mogul, in the United Kingdom to produce piston rings. Nov. 2000 Agreed with Nippon Piston Ring Co., Ltd. to mutually supply cylinder liner materials and to establish a joint company, NT Piston Ring Indonesia, to produce piston...

Major Suppliers  Updated at: 2026/03/20

urbochargers in Czech Daido Metal develops compact production line for engine slide bearings Daido Metal receives first order for bearings coated with resin layer Daido Metal to set up new technical center in the Czech Republic Daido Metal to revise business plan; boost capacity in Mexico and China Nippon Piston Ring agrees on partial transfer of European subsidiary shares to Daido Metal Daido Metal to supply engine bearings for Nissan VC-T engin...

Major Suppliers  Updated at: 2026/01/15

1961 Bimetal Bearings Ltd. was established in collaboration with Clevite Corporation, U.S. and Repco Ltd. 1962 Indiapistons-Repco was established in association with Repco of Australia. 1967 Amalgamations Repco Ltd. was established 1991 IP Rings was established in technical collaboration with Nippon Piston Rings Co., Ltd. of Japan. 1994 IP Power Cylinder Systems Ltd, a wholly-owned subsidiary of India Pistons Ltd., was established. 2001...

Major Suppliers  Updated at: 2026/01/07

o Electric Industries, Ltd. is limiting the rate of its employees who come to work to a maximum of around 50% to encourage social distancing. Jatco Ltd. will continuously use remote work together with staggered commuting hours in view of both infection prevention and a more efficient working style. Nippon Piston Ring Co., Ltd. will consider the use of remote work individually for its employees who can effectively work remotely in view of business...

Major Suppliers  Updated at: 2025/12/17

NPR-RIKEN CORPORATION Japan Yasunori Maekawa (Representative Director, Chairman and CEO) -A major supplier of piston rings in Japan. -Riken Corporation (Riken) and Nippon Piston Ring Co., Ltd. (NPR) announced that they have established a wholly owning parent company of both companies, NPR-RIKEN Corporation, through a joint share transfer. Featured report   2023 Business Overview of Japanese Suppliers  Featured report   RIK...

Major Suppliers  Updated at: 2025/12/16

NPR-RIKEN CORPORATION - Saitama Office Japan Motonori Wakabayashi (Representative Director, President and COO) -A manufacturer specializing in internal combustion parts, including piston rings, valve seats, and valve train parts. -Riken Corporation (Riken) and Nippon Piston Ring Co., Ltd. (NPR) announced that they have established a wholly owning parent company of both companies, NPR-RIKEN Corporation, through a joint share transfer. Featur...

Major Suppliers  Updated at: 2025/12/16

ticle in the Nikkan Jidosha Shimbun on June 2, 2021) Fine-Sinter Co., Ltd. (Fine Sinter) has developed a valve seat material that does not use the rare metal cobalt. The company plans to start volume production soon. About 60% of the total valve seats will be replaced with new materials by FY 2023. Nippon Piston Ring Co., Ltd. (Nippon Piston Ring) has also finished developing valve seats that do not use cobalt. In view of the rising price of coba...

Major Suppliers  Updated at: 2025/12/04

NPR-Riken to reorganize two group companies NPR-Riken Corporation (NPR-Riken) announced on November 26 that it will transfer the sales, technology development, and corporate divisions of its group companies, Riken Corporation (Chiyoda Ward, Tokyo) and Nippon Piston Ring Co., Ltd. (NPR, Chuo Ward, Saitama City, Saitama Prefecture), to NPR-Riken. At the same time, the manufacturing divisions of the two companies will be reorganized by splitting the...

News  Updated at: 2025/11/28

ganäs and soft magnetic composites exhibit In-wheel motor with pressed powder coreIn-wheel motor with pressed powder core display panel   In-wheel motors with pressed powder cores are axial gap motors for agricultural robots, AGVs, and other small vehicles, and are formed into stator cores by Nippon Piston Ring Co., Ltd. using Höganäs's pressed cores, and are finished into in-wheel motors with a rated output of 150W and a maximum torque o...

Market & Tech Reports  Updated at: 2025/08/29