Fujian Dongya Machinery Co., Ltd

Piston rings are metallic split rings that are attached to the outer diameter of a piston in an internal combustion engine or steam engine. They form

DY piston ring surface treatment includes Chromium plating, Nitriding, PCr(CrN), DTC(ta-C), PVD(CrN), DLC(ta-C). With the rapid improvement of modern

Dongya purchases a series of steel ring materials from well-known international companies, which can meet the design requirements of various structure

A two-stroke piston ring is a crucial component in a two-stroke engine's operation. It sits in a groove around the piston and forms a seal against