Leading Manufacturer for Motorcycle Piston Ring - rider ring – DONGYI Detail:
Selection from a comprehensive range of tribological materials
No pressure applied to the rider ring by relief grooves
Conversion of cylinder from lubricated to non-lubricated operation
In reciprocating compressors, rider rings guide the piston in the cylinder bore.
We manufacture them from materials that are specifically developed for the respective application.
Product detail pictures:

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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Leading Manufacturer for Motorcycle Piston Ring - rider ring – DONGYI, The product will supply to all over the world, such as: California , Finland , Milan , we are fully determined to control the whole supply chain so as to provide quality products at competitive price in a timely manner. We are keeping up with the advanced techniques, growing through creating more values for our clients and society.

This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
