About Us


About us

Longsun is committed to provide customers with reliable low-voltage electrical apparatus.

Well Experienced

Outstanding technical know-how

More than 35 years of experience in low-voltage electrical industry plus comprehensive know-how regarding current-carrying connections make LONGSUN a reliable partner in the electrical engineering and automotive sector.

Technology Innovation

The first to develop automation equipment for electrical apparatus manufacturing

The combination of the most diverse technologies gives rise to innovative and efficient solutions. LONGSUN, as no other company in this sector, possesses the complete spectrum of specialist knowledge in the area of electrical contacts and associated services. This enables us to develop high-quality, reliable and cost-effective solutions in close cooperation with our customers to meet their requirements.

Lead the development direction of electrical contact industry.

LONGSUN has been awarded as "China Famous Trademark". "National High-tech Enterprise", "National Torch Implementation enterprise","Shanghai High-tech Enterprise", "Zhejiang High-tech Enterprise", also as a key member of National Electrical Alloy Standard Committee. Presided over and participated in the formulation and revision of a number of national and industrial standards.

Research and Development

With most advanced inspection and testing instruments and R&D team.

Where metal and electricity come together, we offer our customers unique expertise regarding materials and their further processing. This is how reliable contact solutions from the LONGSUN company have been created for more than 35 years.

Strategic Cooperation

Based on common interests, provides high-quality products and service.

LONGSUN's products are widely used in high and low voltage electrical equipment, military, aerospace, electronics, telecommunications, home appliances, solar panels and other areas, the Group mainly serving Fortune 500 companies, Schneider, ABB, LG, Siemens, Omron, British Invensys, GE, Tyco, Eaton, Emerson, Chint, West Germany, the people, Tengen, Jinlong Electrical, Xiamen Hongfa and other world-renowned Company.



Our products were shipped to more than 50 countries.


We established long-term business relations with more than 200 overseas customers.


We have a total of more than 1000 employees.

Years of Experience

More than 35 years of experience plus comprehensive know-how.

Company History

  • 2018Sino-Platinum Metals Longsun(Shanghai) New Materials Technology Co.,Ltd

    Joint venture with Sino-Platinum Metals Co Ltd. Stock code: 600459
  • 2014Zhejiang Longsun Electronic Technology Co., Ltd.

  • 2011Longsun Group Co., Ltd

    Longsun Group was established in 2011.
  • 2009Zhejiang Longsun Investment Co., Ltd.

  • December, 2005Zhejiang Longsun Electrical Alloy Co.,Ltd.

  • November, 2005Wenzhou Longsun Electrical Alloy Co.,Ltd.


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