HUIYANG in Taiwan has built in Piston Rings filed since 1995 and we also offer pston and liner from our cooperation factories. We have a wide range of piston ring type, such as Japanese model, Korean model, European model, American Model, Bus, Truck, Agricultural, Tractor, Forklift, ATV, Generator, Compressor, Scooter and Motorcycle etc. OEM/ODM and customer samples are always welcome for development. I believe that our products will reach your need and satisfy your demand. Should you have any questions or comments please feel free to let us know. Hui Yang Precise Industrial Co., Ltd.