China Standard Sprocket, Special Sprocket, Standard Rcak Suppliers, Manufacturers, Factory - Hangzhou Donghua Power Transmission Imp. & Exp. Co.,Ltd

Connecting the future of global industry with
precision chain transmission.

From raw materials to finished products, we control the entire supply chain—providing reliable transmission solutions for global customers.

Learn more about automated chains

Transmit Force, Drive Future
Industrial Chain and Sprocket Manufiacturer

Whether your manufacturing project requires standard chains and sprockets,or custom industrial chains and sprockets, we will work with your team to helpyou achieve your production goals quickly and efficiently.

Learn more about automated chains

Who are we?

A professional strong mechanical equipment units, have Advanced machinery and equipment, equipped with a mechanical engineer. Professional engineer

What are we doing?

Help customers provide product processing solutions, technical guidance, after-sales maintenance, etc. Our machinery has agents in 33 cities across the country

Why do we do this?

With more than 12 years of production experience, our products run through every industry and cover every industrial city. The machinery market we produce is more cost-effective customers.

High-quality products, superb technology

Company Advantage

Donghua Chain won the top 50 quality suppliers of construction machinery parts in the world Donghua Chain not only owns a full range of products in the chain drive industry, but also has won championships and dominance in many subdivisions. For example, the market share of escalators, lifting equipment, construction machinery, health and medical industries has always been ahead of its peers.

Hangzhou Donghua Chain Group Co., Ltd established in 1991, we have 5 subsidiaries in China and also have 6 subsidiaries abroad; We covering a production area of 200, 100 square meters, have more than 1, 800 sets of advanced equipment and over 3, 100 highly skilled employees, the annual production capacity has exceeded 20, 000, 000 meters; We specialized in producing all kinds of standard chains and special chains, such as A or B series chains, driving chains, conveyor chains, dragging chains, agricultural chains and so on; We have obtained ISO9001, ISO14001, ISO16969, AAA and API certificates.

We are ISO 9001:2008 certified firm. we have the integrated system for industrial parts quality control. We have IQC (incoming quality control), IPQCS (in process quality control section), FQC (final quality control) and OQC (out-going quality control) to control each process of industrial parts prodution.

As the leader of China's chain transmission industry and the world's top two chain drive manufacturers, Donghua Chain Group has been cultivating market segments and continuously developing high-end new products to provide customers with complete chain drive solutions. In particular, the escalator market has the absolute advantage in the field of rail transit construction. It also has a global and professional technical team. It has provided high-quality and high-quality products and services for many super-engineering projects around the world to better link the world and more. Strongly transmit power.

Standard Sprocket

Special Sprocket

Chain

Gear

High-quality products, superb technology

Hot Products

Stainless Steel Sprocket with Hub

Durable stainless steel sprocket with hub (Type B) for corrosion-resistant power

ANSI Standard Sprocket

Product name：Standard Sprocket. Tooth surface hardness: hardened tooth surface. Scope of

ISO Standard Motorcycle Sprocket

Product name：ISO Higth Quality Motorcycle Sprocket Chain Wheel. Product number：428:

Precision Roller Chain

Product name：Precision roller chain. Product system：A series short pitch B series short

M Series Conveyor Chain

Product name：M series conveyor chain. Use：Transmission Chain. Material：Alloy/Carbon

S Type Steel Agricultural Chain with Attachments

Product name：S Type Steel Agricultural Chain with Attachments. Product number：S32 S32V

Agricultural Sprockets, Combine Sprockets

Product name：Agricultural Sprockets, Combine Sprockets. Product grouping：special

Standard Single Kb-Type Chain Wheel

product name：ISO Standard Single Kb-Type Chain Wheel (Welding hub)Product number：B

ABOUT OUR COMPANY

Excellent machinery and equipment company

Hangzhou Donghua Power Transmission Imp. & Exp. Co., Ltd. One of the largest chain manufacturers in China, has five subsidiaries including Hangzhou Ziqiang Chain Drive Co., Ltd. Hangzhou Dunpai Chain Co., Ltd.
And Hangzhou Donghua Power Transmission IMP. & EXP. Co., Ltd. etc. Hangzhou Donghua Chain Group Co., Ltd. Was founded in November 1991.

Quality Management System ISO 9001, CE
High-tech enterprises, SGS certificate
PATENT: sand filter, self cleaning filter

Project Completed

Happy Clients

products

Awards Received

How we achieved success

Our History

IN2025

Ranked among the Top 100 Global Construction Machinery Component Suppliers

IN2024

Ranked among the Top 100 Domestic Construction Machinery Component Suppliers in China

IN2023

Designated a "National-Level Green Factory"

IN2022

Designated a "Leading Enterprise Among Zhejiang's Private Multinational Companies"

IN2020

Recognized as one of the first national "Manufacturing Single-Champion Demonstration Enterprises"

IN2019

National lntellectual Property Demonstration Enterprise

IN2018

Became the first batch of manufacturing individual champion demonstration enterprises in China

IN2017

Established Donghua Chain Xinghua Co.,Ltd.

IN2016

Shortlisted for the first time among the top 100 enterprises in China's machinery industry
National accredited laboratory

IN2015

. Establish a national Post-Doctoral Research Center
. Undertake the first batch of industrial strong foundation projects in China

IN2013

lt was recognized as a national enterprise technology center

IN2011

Establish Jiangsu Xinghua chain production base

IN2010

Participate in Japanese EK company

IN2009

. The headquarters of the enterprise was moved from Jianggan District of Hangzhou to Yuhang District, and the business division system was
implemented
Establish overseas subsidiaries in Germany.the Netherlands, the UnitedStates. the United Kingdom and Thailand
Acquisition of German KÖBO Company, a century-old enterprise

IN2008

Won the national exportinspection-free enterprise.
"Donghua" is a well-knowntrademark in China

IN2007

. Acquired Jiangsu Xinghua Gear Co.,Ltd.and started sprocket manufacturing
. Shortlisted for the first time in China'stop 500 private manufacturing industries

IN2006

Set up academician workstation

IN2004

Hangzhou Donghua chain factory changed its name to Hangzhou Donghua Chain Group Co.,Ltd.

IN2003

Acquisition of Hangzhou Dunpai Chain Transmission Co.,Ltd.
Acquisition of Changzhou Dongfeng Agricultural Machinery Group,from parts manufacturing to whole machine manufacturing.

IN2001

Zhejiang Huadong Chain Transmission Products Quality Checking and Measuring Co..Ltd. was established

IN1999

Established Hangzhou Ziqiang Chain Drive Co..Ltd.and became a leading enterprise in China's chain industry

IN1996

Hangzhou Donghua Chain Factory was renamed as Hangzhou Donghua Chain General Factory

IN1995

The first batch of chain exports opened the door for Donghua to enter the international market

IN1993

Hangzhou Chengdong Chain Factory was renamed Hangzhou Donghua Chain Factory

NOVEMBER18,1991

Create Hangzhou Chengdong Chain Factory

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High-quality products, superb technology