Company Profile

Rihuan Automobile Parts Manufacturing (Yizheng) Co., Ltd. (NAMY for short) is a wholly-owned enterprise established by Japan Piston Ring Co., Ltd. (NPR for short) in Yangzhou (Yizheng) Automobile Industrial Park on February 5, 2005. Its total investment in the project is 32.9 million US dollars, and its registered capital is 17.5 million US dollars. It mainly produces and sells steel piston rings for automobiles and motorcycles Powder metallurgy valve seat ring, cylinder liner and other related auto parts.
NPR, the Japanese head office, is the largest piston ring manufacturer in Japan and one of the world's famous piston ring manufacturers. It has a long history, leading technology and rich experience. It is also a listed company in the stock market. Its main products are high-quality iron piston rings, powder metallurgy valve seats, camshaft products, cylinder liners and a series of engine spare parts. NPR also has strong advantages in material technology. NPR also has several factories in Japan, the United States, Europe, South Asia and China. Its main customers cover international famous automobile manufacturers, including Toyota, Nissan, Honda, Hino, Mitsubishi, Ford, BMW, Volvo, etc.
NAMY makes use of NPR's advanced product, material technology and management experience to produce high-quality steel piston rings, powder metallurgy valve seat rings and other products to support world and China's famous engine manufacturers. At present, the company's main customers include GAC Toyota, Dongfeng Nissan, Dongfeng Honda, Dongfeng Motor, Nanjing Chang'an Ford Mazda, Shanghai KS, Shanghai Automobile and other well-known engine manufacturers at home and abroad.