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About Us

A Pioneer in precision manufacturing


Focus on precision manufacturing of basic components


Ningbo Haitong Auto parts Co., Ltd. was established in 2000 and is located in Ningbo, Zhejiang Province, China. Haitong Co., Ltd. is a physical manufacturing enterprise that integrates the research and development, manufacturing, and sales of automotive pulleys, thermal conversion system components, precision transmission components for power assisted electric vehicles, electronic water pump components for automobiles, new energy drive motor components, and basic components for new energy wind power generation. The company focuses on the production and sales of system components for the six major categories of high-end products mentioned above. It is an excellent supplier of automotive parts in China and a long-term strategic partner of Mahler in Germany. In 2011, it was awarded the title of Ningbo High tech Enterprise.

Adhere to innovation driven, continuous improvement, green and safeproduction


The company currently has two manufacturing sites, Ningbo Jiangbei District Manufacturing Factory and Shaoxing Xinchang Manufacturing Factory, covering an area of over 10000 square meters and 15000 square meters respectively. Haitong Corporation has over 130 employees, including 15 scientific researchers. Our company was listed on the New Third Board in 2016 and is a high-tech enterprise in Ningbo, a project enterprise of the "National Thousand Talents Program", and an excellent supplier of automotive parts in China.

The company has fully implemented the IATF16949:2016 quality management system, ISO14001 environmental management system, occupational health and safety management system, ISO9001:2016 quality management system, and ERP production management system. Rated as Three-star Green Factory in 2022. The company adheres to the quality policy of "customer satisfaction, quality first; scientific management, continuous improvement" and conscientiously serves every one of our customers.

R & D Laboratory
Intelligent Manufacturing
Patent & Certificate
ISO9001:2015
IATF16949:2016
ISO9001:2015
IATF16949:2016
ISO9001:2015
IATF16949:2016
IATF16949:2016
ISO45001
Our Path of Development
Since its establishment in 2000, our company has witnessed multiple critical milestones, and our growth journey exemplifies continuous progress and innovation
  • 2004
    Company Founded – Focused on Traditional Pulleys

    The company was officially established, entering the industrial manufacturing sector with a primary focus on the development and machining of traditional pulleys, laying the foundation for future product upgrades.

  • 2009
    Established OE Pulley Workshop; Launched OAP Development

    With expanding business, the company set up an OE pulley workshop and successfully developed the Overrunning Alternator Pulley (OAP), marking the start of in-house R&D and component supply.

  • 2014
    Launched ODP Project under National “Thousand Talents Plan”; Founded Yangtong Company

    The ODP (Overrunning Decoupler Pulley) project was selected under China’s National “Thousand Talents Plan.” Yangtong Automotive Components Co., Ltd. was established, accelerating the upgrade of technical and management systems.

  • 2022
    Completed Product Upgrade; Shifted to New Energy and Precision Manufacturing

    Successfully transitioned from traditional manufacturing to new energy and precision components. Product lines now cover high-growth sectors such as electric vehicles, wind power, and e-bikes.

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