Dypistonring

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About Dypistonring

Fujian Dongya Machinery Co., Ltd. was founded in 1988 in China West Strait Economic Zone, Putian, Fujian, China. It covers an area of 127,050?, with capital assets of 430 million RMB and registered capital of 116 million RMB. It has 1,120 employees, including 130 experienced engineers and management staff with senior professional titles. For over 30 years, DY piston rings produced by Fujian Dongya Machinery Co.Ltd., provide companies such as Dachangjiang Group, Zongshen Power, Longcin General Motors, Lifan Technology, Qianjiang Motorcycle, Honda Power, Sundiro Honda, CFmoto Power, QS Suzuki, Briggs & Stratton, STIHL,etc. for motorcycles, general-purpose engine, drones, and outboard engine manufacturers general support.

Air-compressor Piston Ring

Dypistonring22 Oct, 2025Business

DY piston rings produced by Fujian Dongya Machinery Co.Ltd., provide companies such as Dachangjiang Group, Zongshen Power, Longcin General Motors, Lifan Technology, Qianjiang Motorcycle, Honda Power, Sundiro Honda, CFmoto Power, QS Suzuki, Briggs & Stratton, STIHL,etc. for motorcycles, general-purpose engine, drones, and outboard engine manufacturers general support.Piston ring products are widely exported to all over the world such as Europe, USA, Middle East, South America, Africa, and Southeast Asia, with good global reputation for its high quality and market share.

General Purpose Engine Piston Ring

Dypistonring22 Oct, 2025Business

The primary piston rings function is to seal the combustion chamber, control oil consumption, and regulate heat transfer from the piston to the cylinder wall. This ensures efficient engine operation and prevents excessive oil consumption and loss of compression.

Motorcycle Piston Ring

Dypistonring22 Oct, 2025Business

DY Production Sectional View

Dypistonring22 Oct, 2025Business

A cutaway view of a piston ring showing how it fits into the grooves of the piston and interacts with the cylinder wall. Typically, a piston ring is a thin, circular component with a slit along its circumference that allows it to expand and contract against the cylinder wall.

DY Piston Ring Material Introduction

Dypistonring22 Oct, 2025Business

Dongya purchases a series of steel ring materials from well-known international companies, which can meet the design requirements of various structures and surface treatment piston ring. At the same time, in accordance with the ISO-6621-3:2000 standard, according to customer needs and engine performance, we independently develop various cast iron ring materials.

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

Dypistonring31 May, 2024Event/Party Planner

2-stroke engines are widely used in various applications, from motorcycles to chainsaws, due to their simplicity and lightweight design. However, like any engine component, piston rings in 2-stroke engines can wear out over time, leading to decreased performance and potential damage to the engine. In this article, we'll discuss how to identify signs of bad piston rings in a 2-stroke engine and what steps you can take to address the issue.

DY Piston Ring Introduction

Dypistonring31 May, 2024Education

The piston ring is a metal elastic ring with a large outward expansion deformation, which is assembled into the corresponding annular groove of the section. The reciprocating and rotating piston rings rely on the pressure difference of gas or liquid to form a seal between the outer circular surface of the ring, the cylinder, one side of the ring and the ring groove.

Piston Ring

Dypistonring31 May, 2024Business

Piston rings play a crucial role in the operation of internal combustion engines. Understanding the piston ring material is essential for ensuring optimal performance and longevity of the engine. There are various piston ring material types, One important consideration is the piston wear ring material, which is designed to reduce friction and wear between the piston and the cylinder wall. The primary piston rings function is to seal the combustion chamber, control oil consumption, and regulate heat transfer from the piston to the cylinder wall. This ensures efficient engine operation and prevents excessive oil consumption and loss of compression.

DY Piston Ring Surface Treatment

Dypistonring31 May, 2024Art

DY piston ring surface treatment includes Chromium plating, Nitriding, PCr(CrN), DTC(ta-C), PVD(CrN), DLC(ta-C). With the rapid improvement of modern engine performance, in order to meet the development needs of high combustion pressure, high output power and maintenance-free, Dongya has successfully developed a DLC(Diamond Like Carbon) coating with low friction coefficient, high hardness, high wear resistance and significant tensile cylinder performance after years of professional research. It is currently the world's leading piston ring surface treatment technology, which is recommended that customers give priority to the choice of DLC coated ring group.