Established in 2000, PCPR produce piston rings forvehicles of gasoline cars, diesel engineering trucks, shipping machines, diesel agriculture transportation, generator, etc. which suit for the European, American, Japanese and Korean car series.Our key is to become the most professional OEM of piston ring, develop more new items to meet with the changing demands from the market.Our new technology of small-slot -steel oil rings have been acknowledged and popularized by most of our customers since 1995.