About Us

Create an overall application solution for electronic products

19+

Years of experience

40+

Annual sales(million dollar)

60+

Exporting country and region

1100+

Global Customers

About Freesor

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.

Our Story

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.

Our Values

Our Service

0

Let’s talk! We’ll provide the perfect solution for you!

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.

Copyright © 2024 Shanghai Freesor Sensor Technology Co. ,Ltd.           Privacy Policy Powered by Bontop