Excellent intrusion alarm system host brands include Yexiang, Fessenden, Jinjue, William March, etc.;

Nanjing Yexiang Technology Development Co., Ltd. has always been committed to intelligent security prevention Advanced overall solutions are provided as well as the R&D, design, production, sales and brand operation services of Internet of Things security system early warning and alarm products.

The company is a key high-tech enterprise of the National Torch Plan, a private technology enterprise in Jiangsu Province, an enterprise credit management standard implementation enterprise in Jiangsu Province, a credit management demonstration enterprise in Nanjing, and a three-star digital enterprise in Nanjing. It is a "new "Fourth Board" listed enterprise (enterprise code: 668509). The company has passed the national GB/T19001-2016/ISO9001:2015, GB/T24001-2016/ISO14001:2015, GB/T45001-2020/ISO45001:2018 certification, and the products have passed 3C certification, EU CE certification. The company has obtained 37 national patents, 13 software copyrights and 11 trademark registration certificates. In 2021, he won the first prize of the Jiangsu Provincial Public Security Department’s Science and Technology Police Strengthening Award in the research and application of comprehensive management of the Yangtze River waters based on technological defense sensing data.