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Quality Piston Rings

DY Piston Rings

DYDLC Piston Ring

Dongya Piston Ring

ABOUT DONGYAABOUT DONGYA

WE HAVE 30+ YEARS
OF EXPERIENCE IN THIS FIELD

In 2002, Fujian Dongya Machinery Co., Ltd. was the first piston ring manufacturer in China to pass the ISO/TS16949 quality management system certification, in 2018, it passed the IATF16949 quality management system certification, in 2015, it passed the ISO14001 environmental management system certification.

In 2018, it passed the ISO45001 Occupational Health and Safety Management system certification.

Participation in 80% of the new product development and improvement of mainstream OEM factories.

Fully equipped R&D laboratory

Development of specialized materials for piston rings

DLC, PVD, DTC, PCR, and Nitride coatings

PRODUCTS CENTERPRODUCTS CENTER

CUSTOMIZATION
AND PROCESS CUSTOMIZATION AND PROCESS

Cylinder diameter: 16.5mm-150mm

Coatings: DLC, DTC, PVD, PCR, Nitriding

Material: Steel and cast iron

01

Engine parameters determination and design

02

Scheme design

03

Delivery plan development

04

Drawing design

05

Prototype production and bench testing

06

Mass production & delivery

R&D CAPABILITIES

Participation in 80% of the new product development and improvement of mainstream OEM factories.
R&D laboratories equipped with comprehensive testing devices. AVL-Excite PR, specialized CAE simulation design.
Over 50 patents, contribution on national and industry technical standard revisions
Established coatings including DLC, PVD, DTC, PCR, and Nitriding.
Participation in 80% of the new product development and improvement of mainstream OEM factories.
R&D laboratories equipped with comprehensive testing devices. AVL-Excite PR, specialized CAE simulation design.
Over 50 patents, contribution on national and industry technical standard revisions
Established coatings including DLC, PVD, DTC, PCR, and Nitriding.

NEWS CENTERNEWS CENTER

The Development Trends of Piston Rings: Adapting to a Changing World

Aug. 13, 2025 The Development Trends of Piston Rings: Adapting to a Changing World

Piston rings, the unsung heroes of internal combustion engines, are on the cusp of significant transformation. These small yet crucial components are set to evolve in several key ways to meet the demands of modern engines and a more environmentally conscious world.

The Future of Chrome Plating: Are We Ready for Lighter, Greener Alternatives?

Aug. 05, 2025 The Future of Chrome Plating: Are We Ready for Lighter, Greener Alternatives?

How Piston Rings Master Their Mission: Supporting, Heat Conducting, Oil Controlling, and Sealing

Aug. 02, 2025 How Piston Rings Master Their Mission: Supporting, Heat Conducting, Oil Controlling, and Sealing

How Piston Rings Master Their Mission: Supporting, Heat Conducting, Oil Controlling, and Sealing Within Your Engine

Fujian Dongya Machinery Officially Certified by Dun Bradstreet, Strengthening Global Trust and Credibility

Jul. 24, 2025 Fujian Dongya Machinery Officially Certified by Dun Bradstreet, Strengthening Global Trust and Credibility

How to Choose the Right Piston Rings for Gasoline and Diesel Engines

Jul. 22, 2025 How to Choose the Right Piston Rings for Gasoline and Diesel Engines

How to Install 2 Stroke Piston Rings: A Complete Step-by-Step Guide

Jul. 22, 2025 How to Install 2 Stroke Piston Rings: A Complete Step-by-Step Guide

How to Tell if Motorcycle Piston Rings Are Bad

Jun. 19, 2025 How to Tell if Motorcycle Piston Rings Are Bad

Can You Drive With Bad Piston Rings?

Jun. 19, 2025 Can You Drive With Bad Piston Rings?

What ruins piston rings?

May. 20, 2025 What ruins piston rings?

How Much Does It Cost to Change Piston Rings?

May. 06, 2025 How Much Does It Cost to Change Piston Rings?

Powered by strong technical development and continuous innovation ability, DY PISTON RING ranks among the leading brands.

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