Hot-selling 3 Rings 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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Our commission should be to provide our customers and consumers with ideal top quality and aggressive portable digital products for Hot-selling 3 Rings Piston Ring - rider ring – DONGYI, The product will supply to all over the world, such as: Algeria , Bangkok , USA , We aspire to meet the demands of our customers globally. Our range of products and services is continuously expanding to meet customers' requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!

It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
