Dongya Piston  Ring was founded in 1988 which is a high-tech enterprise with sophisticated scientific research, development and operation, specializing in the manufacture of piston rings and related equipment. 

Total Floor area: 127,050㎡

Capital Asset:  RMB 220 million

Registered Capital: RMB 30 million

Total Staff: 1,132

Engineering technicians: 106 (including 18 Senior Engineers)

Display products: Gasoline engine Piston ring, Air-compressor Piston Ring，Diesel Engine Piston ring, 2-stroke engine piston ring