Factory Directly supply Control Valve - 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 regularly perform our spirit of ''Innovation bringing progress, Highly-quality making certain subsistence, Administration marketing benefit, Credit score attracting customers for Factory Directly supply Control Valve - rider ring – DONGYI, The product will supply to all over the world, such as: British , luzern , Holland , Providing the best products, the most perfect service with the most reasonable prices are our principles. We also welcome OEM and ODM orders.Dedicated to strict quality control and thoughtful customer service, we are always available to discuss your requirements and ensure full customer satisfaction. We sincerely welcome friends to come negotiate business and start cooperation.

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