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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

How Often Do Automobile Piston Rings Need to Be Replaced?

Apr. 10, 2024 How Often Do Automobile Piston Rings Need to Be Replaced?

In general, piston rings should be replaced every 100,000 to 150,000 miles. However, there are some signs that may indicate that your piston rings need to be replaced sooner, such as: Increased oil consumption: Worn piston rings can allow oil to pass by them and into the combustion chamber.

Air Compressor Piston Ring Replacement

Apr. 03, 2024 Air Compressor Piston Ring Replacement

Decreased Compression: If the compressor is unable to build up pressure as quickly or efficiently as before, it may indicate worn-out piston rings. Increased Oil Consumption: Excessive oil consumption can be a sign of piston ring wear, as worn rings allow oil to pass into the compression chamber.

Engine Piston Rings Explained

Mar. 14, 2024 Engine Piston Rings Explained

Most four stroke engines utilize three piston rings (two compressions and one scraper) whilst most two stroke engines utilize only two piston rings (one compression and one scraper).

China Tree-Planting Day

Mar. 09, 2024 China Tree-Planting Day

China Tree Planting Day is on March 12th, which encourages Chinese people to plant trees and nurture the environment. It emphasizes the importance of trees in sustaining life and serves as a symbol of renewal and growth.

How Do I Know if My 2-Stroke Piston Rings Are Bad?

Mar. 01, 2024 How Do I Know if My 2-Stroke Piston Rings Are Bad?

One of the most common signs of bad piston rings in a 2-stroke engine is a loss of compression. If you notice a decrease in engine power or difficulty starting the engine, it could indicate that the piston rings are not sealing properly, allowing compression to escape.

Chinese Spring Festival

Feb. 07, 2024 Chinese Spring Festival

During the Spring Festival, Dongya always holds celebrations to honor the holiday.

Piston Ring Global Ranking

Sep. 04, 2023 Piston Ring Global Ranking

The piston ring is one of the key components of the engine, and its quality directly affects the fuel consumption and output power of the engine.

Piston Rings Made by China has Caught Up with the World Top’s Technology

Sep. 03, 2023 Piston Rings Made by China has Caught Up with the World Top’s Technology

As one of key component of the engine, the piston ring work in a high-speed, high-temperature and high-pressure environment, which can easily cause piston ring to crack, resulting the air leakage, loose of power

How Piston Rings Help Car Owners to Save Money

Sep. 01, 2023 How Piston Rings Help Car Owners to Save Money

In recent years, with the rapid development of the automotive industry, piston rings, as an important component of internal combustion engines, have been continuously improving and innovating.

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

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