Founded in 2003, Terjin is committed to providing industry-leading lower airspace security management solutions to worldwide governments and critical facilities.

Drones are profoundly changing our society and industry today. The security management of drones has become a strategic emerging industry concerning public and national security.

With nearly 20 years of experience in radio monitoring and positioning technology, Shanghai Terjin is an industry leader in drone detection, identification, positioning, tracking and countermeasurement. It is the first vendor to launch city-scale networking drone management solution in China and has become the leader in TDOA drone positioning field. Terjin's TDOA city-scale drone management solution features "customized planning, long-range detection, model identification, precise positioning, real-time tracking, and efficient disposal" of drones, supporting large-scale networking and large area seamless coverage. It applies to various scenarios of public security requirements.

Terjin is the winner of China’s National Science and Technology Progress Award and ITU’s Innovation Award. Its products have been successfully deployed for a series of high-profile events such as the 70th National Day Ceremony, the 7th World Military Games, G20 Summit 2016, World Internet Conference 2017, CIIE 2021 and so on.