Manufacturer of Repair Mortar For Concrete Components. - 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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Well-run products, skilled income group, and better after-sales products and services; We have been also a unified massive family, all people stick with the business price "unification, dedication, tolerance" for Manufacturer of Repair Mortar For Concrete Components. - rider ring – DONGYI, The product will supply to all over the world, such as: Guatemala , French , Yemen , We will do our utmost to cooperate & satisfied with you relying on top-grade quality and competitive price and best after service ,sincerely look forward to cooperating with you and make achievements in the future!

The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
