Manufactur standard Lifan Parts - 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 goal is usually to deliver high quality items at aggressive price ranges, and top-notch service to shoppers around the entire world. We're ISO9001, CE, and GS certified and strictly adhere to their high quality specifications for Manufactur standard Lifan Parts - rider ring – DONGYI, The product will supply to all over the world, such as: Albania , Mongolia , Sao Paulo , We are fully aware of our customer's needs. We provide high quality products, competitive prices and the first class service. We would like to establish good business relationships as well as friendship with you in the near future.

The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
