| 1931 |
 |
Established Nippon Piston Ring Works |
|
| 1941 |
|
Mass-produced the hard chrome plated piston ring for
aircraft |
|
| 1949 |
|
Listed on the Tokyo and Osaka Stock Exchanges |
|
| 1960 |
 |
Acquired U.S. and U.K. patent on the NIFFLEX,
three-piece steel oil control piston ring |
|
| 1966 |
|
Commended by the MITI. (Ministry of International
Trade and Industry) as a distinguished |
|
| 1973 |
|
Established sales company Schöttle Motorenteile
GmbH in Stuttgart, Germany |
|
Established a directly sales company NPR of America
Inc. (NOA) in Los Angeles, U.S.A. |
|
| 1986 |
|
Opened NOA Detroit Office in Detroit, U.S.A. |
|
| 1992 |
|
Entered into long-term contracts to deliver piston
rings to Mercedes-Benz AG. (Daimler Chrysler) of Germany |
|
| 1996 |
|
Acquired stock in IP Rings Ltd. of India |
|
| 1997 |
|
Established a joint manufacturing company Siam NPR
Co., Ltd. in Thailand. (100% invested by NPR since 2002) |
|
| 1999 |
|
Established NPR OF EUROPE in Germany |
|
| 2001 |
|
Established PT.NT Piston Ring Indonesia in Indonesia. |
|
| 2002 |
|
Acquired stock in Seojin Cam Co., Ltd. |
|
| 2004 |
|
Established NPR Manufacturing Michigan Inc. in the
U.S. (100% invested by NPR). |
|
The 70th anniversary of corporate foundation |
|
| 2005 |
|
Established NPR Auto Parts Manufacturing (Yizheng) Co., Ltd. in
China |
|
Established a sales company NPR Trading (Shanghai) Co., Ltd. in China. |
|
| 2006 |
|
Established PT.NPR Manufacturing Indonesia in Indonesia |
|
Established NPR Auto Parts Manufacturing (Zhenjiang)
Co., Ltd. in China |
|
Established NPR Manufacturing Kentucky, LLC in U.S.A |
|
| 2007 |
|
Entered into a global cooperation contract with KS kolbenschmidt GmbH (Germany) |
|
| 2009 |
|
Voluntarily dissolved NPR Trading (Shanghai) Co., Ltd. in China |
|
