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Altas Copco Neuman Esser Caremon Ingersoll Rand Kobelco Rider Rings - China

price: contact company for price

Donging manufactures a comprehensive range of piston

rings, rider rings and rider bands to meet the

requirement of majority of reciprocating and piston

compressors by using a range of Dongyi Special

Polymer Alloys, standard and special materials.

Piston rings, rider rings and bands are manufactured in

various designs:

-One-piece or segmental straight

-Angle cut

-Step cut

-Twin Ring

-Double Twin Ring

-Two Segment

-Pressure balanced

Dongyi serves custom-designs rings and has developed

specific combinations for particularly problematic and

demanding applications. Pressure balanced rings are

available, when deemed appropriate for high pressure

applications and piston/rider ring combinations are also

available for more specific applications.

PEEK Rider ring

PTFE rider ring

PPS rider ring

PTWFE rider ring

Company Contact:

  • Phone: 86057786627333

  • Address: No.48dongzheng Rd.,yongzhong street,longwan distri, wenzhou, China

  • Email: Email

Published date: December 21, 2013 -

  • Business Description: For over 30 years, Wenzhou Dongyi maintains consistent growth as an

    Chinese domestic manufacturing and services company providing the

    highest quality products and services to the compression industry. The

    strategic network built by three generations provides operators with

    quality, precision engineered compressor components and support services

    that deliver reliable performance. Based on our sophisticated

    experiences and customer centric approach, we are prone to offer smart


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