About Us
Engineering Reliability · Connecting The Future
Company Profile
Zhejiang Longsun Electric Co., Ltd. was founded in 2012 as a modern manufacturer specializing in automotive connectors.
Our core product lines include automotive connectors, connector terminals, and electronic component connectors, with over 1,000 part numbers engineered to meet diverse market demands. Our products are widely deployed in automotive electronics and extend to intelligent transportation systems (ITS), railway rolling stock, energy lighting, new energy & energy storage, and consumer electronics — precisely engineered to address key scenarios such as NEV high-voltage systems, ADAS sensor networks, and in-vehicle communication modules.
With years of steady growth, Longsun has grown into a vertically integrated manufacturer covering in-house R&D, mold design & fabrication, metal stamping, injection molding, assembly, and sales — delivering high-quality, efficient, and comprehensive services as your preferred connector partner worldwide.
Corporate Advantages
Professional customization capabilities
We specialize in connectors and housings, providing full-process customization from mold design to finished products to meet clients’ unique specifications and application needs.
Efficient and stable manufacturing
With advanced injection molding equipment and automated lines, we maintain stable quality and flexible delivery via strict process control, efficiently handling orders from small-batch trials to mass production.
End-to-end quality control
We have a full-process quality control system from incoming material inspection to finished goods delivery. Our products meet RoHS standards and pass multiple tests for stable performance and high durability.
Cost-effective solution
By optimizing material selection and production processes, we deliver competitive pricing without compromising quality, helping global customers cut costs and maximize project value.
Customer-oriented service
Dedicated sales and technical teams provide 24/7 service covering consultation, sampling, technical and after-sales support, with full project tracking for seamless collaboration.
Application Areas
The company specializes in providing connector and housing solutions for the automotive and consumer electronics sectors. For the automotive market, it offers automotive-grade products designed for diverse systems and harsh environments, meeting industry certifications as well as rigorous safety and reliability standards. For the consumer electronics market, the focus is on compact, lightweight designs suitable for various use cases, while supporting customization and rapid product iteration.
