Shandong HengYuan Group is one of the domestic key factories producing internal combustion engine piston rings.¡°HYPR¡±brand piston rings have a history of 10 years. The products, with reliable performance, stable and high quality, are renowned both at home and abroad. HengYuan Group was first founded in 1989.After 10 years¡¯ efforts, HengYuan group has developed to a company with more than 60,000 squares factory yard. It consists of two branch companies, they are: Zhongyuan cylinder liners factory ,piston rings factory and crankshafts factory. HengYuan Group is equipped with specialized technical force and also complete means of testing and measuring. It has introduced equipment such as spectrometer, ladder-type grinder, external grinder and steel-made steel band ring assembly line from America and Japan respectively. Its products include three main series of piston rings, cylinder liners and crankshafts for farm machinery and automobiles. There are more than 100 varieties of these products. Its leading products have won the titles of best products of Shandong province. These products are used by more than 30 famous domestic users such as Weifang Diesel Engine Works, Muping Motor Works, Laiyang Power Machinery Works, Yulin Diesel Engine Works and Taian Diesel Engine Works etc, of all these products. The company has won a lot of sincere partners in the world depending on high quality, good reputation and favourable price. Parts of these products are exported to Pakistan, Indonesia, Bangladesh ,Burma, and Viet Nam ect. And they are also sold well in our country. HengYuan Group will warmly welcome friends form all the comers of the land in a new appearance. Your approach and consultation shall be warmly welcome! Chairman and general manager ?Ding Laizhi is warmly welcome friends and customers from all Circles at home and abroad to cooperate in business trade.