Shanghai Fosense Instrumentation Co., Ltd. is a high-tech company in electrical instrument industry, which integrates R&D, manufacture, sale and service of gas density relays. Fosense is located in China (Shanghai) Pilot Free Trade Zone Lin-gang Special Area. The company is committed to developing and manufacturing intelligent products, such as electrical SF6 and alternative gas density relays, density transmitters, valve devices and SF6 remote monitors.

Fosense believes that independent intellectual property rights and advanced equipment are the foundation of high standard quality control systems. The company has a professional team composed of experienced staff in electrical instrument and remote monitoring industries. The proportion of employees with a bachelor or higher degree over 80%. The company also has leading manufacture, inspection and testing equipment, these help Fosense to stay competitive.