Fujian Dongya Machinery Co.,Ltd.

Our steel ring production line is up to an international advanced level and can produce all kinds of piston rings (in different specifications) with production quantity of over 3 million cylinder-set per month. Its key equpments are introduced from world famous enterprises.

R-4MG O.D Forming Grinding Machine (japan)

Precision Double Disc Surface Grinding Machine (Germany)

Precision Double Disc Surface Grinding Machine (Japan)

Stell Ring Forming Machine (NPR)

Steel Ring Production Line