Shanghai Freesor Sensor Technology Co. ,Ltd. was founded in 2005 by a number of overseas returnees with rich experience. It is a high-tech enterprise integrating design, research and development, production and sales. In June 2024, Shanghai Freesor officially became a holding subsidiary of Keli Group. This strategic initiative will significantly enhance our research and development strength and market competitiveness in the field of smart sensors, opening a new era of smart sensors.
FREESOR's own brand covers a full range of new energy vehicle special sensors, open loop Hall current sensors, closed loop Hall current sensors, closed loop Hall voltage sensors, DC leakage current sensors, etc. Widely used in new energy vehicles, photovoltaic, energy storage, rail transit, data center, frequency converter, welding machine, instrumentation, white goods and other industries, its product stability, accuracy and anti-interference have reached the highest level in the industry.
The overall application solution provider of electronic products
Innovation / Aggression ;Focus / High efficiency
Sales in one of the high-tech enterprises
Advanced automated production lines will greatly improve production efficiency, shorten delivery cycle, and provide customers with faster service.
Freesor will rely on mature service experience and professional team to provide more thoughtful and professional technical support and after-sales service to ensure that every customer demand can be timely response.
We firmly believe that through continuous technological innovation and service optimization, Freesor will become a leader in the global sensor field, creating more value for customers and bringing more innovation to society.
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Shanghai Freesor Sensor Technology Co. ,Ltd. was founded in 2005 by a number of overseas returnees with rich experience. It is a high-tech enterprise integrating design, research and development, production and sales.
Sales Center Add: Room 1405-1, Building B, 333 Haiyang 1st Road, Pudong New Area, Shanghai
Factory Add:Building 4, Keland Smart Energy Industrial Park, Guangming District, Shenzhen, Guangdong Province, China.