Since its founding in 2003, Shanghai Terjin has been focusing on radio sensing and spectrum big data analytics technology. It is one of the world's first technology companies to commercialize TDOA-based drone defense products with the commitment to provide industry-leading lower airspace security solutions.

So far, Terjin's products and solutions have been successfully deployed to provide aerial security protection services for a series of high-profile events such as The Asian Games 2023, FISU World University Games 2021, World Expo Shanghai 2017, World Internet Conference 2016, etc.