Shandong HengYuan Piston RingCo.,Ltd. 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.
