Yuyao New Unified piston ring factory was founded in February 2002 and is located in Yuyao, a historic and cultural city in southeastern China. It is a modern enterprise engaged in the research, development, and manufacturing of piston rings and piston ring specialized equipment. The factory is located in the beautiful and fertile Ningshao Plain of the Yangtze River Delta, belonging to the Yangtze River Delta Economic Circle led by Shanghai. It is 50 kilometers east of Ningbo Lishe Airport and Ningbo Port, west of Hangzhou Xiaoshanqian Airport, and north of Hangzhou Bay Bridge, making the geographical location of the factory more advantageous and convenient.