Core Competence

Donghua Solidarity Chaining the World

Core Competence

R & D capability

Hangzhou Donghua Chain Group, based on the chain drive industry, aims at global resources to build a global R&D system with Hangzhou headquarters as its core and overseas branches such as Germany and Japan as its support, and realize a global innovation system with seamless connection between R&D, manufacturing and sales. The enterprise technology center of the company is a national enterprise technology center, with national Post-Doctoral Research Center, provincial enterprise research institutes, provincial high-tech enterprise research and development centers and other scientific research platforms in China, and overseas R&D platforms in KÖBO of Germany and Enuma Chain of Japan Co., Ltd.

The company has more than 400 scientific and technical personnel, including 150 middle and senior titles, which provides a strong guarantee for high-quality products. Continuously develop and apply new technologies, new processes and new materials, and develop various high-performance chain drive products with high technical content and independent intellectual property rights, so that the company's technology and R&D level are in the forefront of the industry.

The company implements the strategy of innovating and strengthening enterprises, continuously increases investment in scientific research, possesses advanced R&D equipment and complete test facilities, and the laboratory has obtained CNAS accreditation certificate. With isothermal quenching furnace, multi-purpose furnace, vacuum heat treatment furnace, CNC machining center, wire cut wire cutting machine, high-speed press, high-speed assembly machine and other research and development equipment; It has spectrum analyzer, three-dimensional coordinate measuring instrument, image measuring instrument, fatigue testing machine, Charpy pendulum impact testing machine, chain wear test bench, transmission/transfer case performance test bench, automobile engine chain durability test bench and other test and detection equipment.

  • 01. R&D achievements:

    The company insists on independent research and development, focusing on forward-looking technology, and has made a series of achievements in subdivided application fields.

    By the end of 2019, the company had 222 authorized patents, including 52 invention patents; Accumulated more than 130 awards for various new technologies and products.

    The company is the vice chairman of the National Chain Drive Standardization Technical Committee. As a representative of domestic enterprises for many years, it has participated in the formulation and revision of international chain drive standards and is a member of ISO/TC 100 international standard expert group. In recent years, he has been responsible for or participated in the revision of 9 international standards (ISO), 19 national standards (GB/T), 11 industry standards (JB/T) and 3 group standards for chain drive. Participate in the compilation of tool manuals and monographs such as the latest chain drive standard application manual, ISO/TC 100 chain drive international standard translation set, English-Chinese-English chain drive vocabulary and chain drive technical manual.

  • 02. Industry-university-research cooperation:

    The company attaches great importance to the construction of the joint innovation mechanism of production, education and research as a major platform for technological innovation of enterprises. With Zhejiang University, Jilin University, Chongqing University of Technology, Chain Transmission, National Chain Transmission Research Institute, Zhejiang Applied Engineering Materials Research Institute, Wuhan research institute of materials protection and other well-known domestic universities and research institutes, the continuous and in-depth industry-university-research cooperation has greatly promoted the technological progress of enterprises.

  • 03. Key scientific research projects:

    The company actively responds to the national economic development strategy, undertakes key scientific research projects, and promotes industrial upgrading and technological progress. Developed various chain drive products with high strength, high precision, fatigue resistance and wear resistance, which are widely used in automobiles, power stations, high-speed rail equipment, subway facilities, airport facilities and so on. For example, he has undertaken one national industrial transformation and upgrading strong foundation project, one central investment project of the National Development and Reform Commission, one 863 Program project and one National Natural Science Foundation project, and won three ministerial awards (the first prize of China Standard Innovation Contribution Award, the National Machinery Industry Science and Technology Progress Award and the Ministry of Industry and Information Technology Progress Award).