Security & Protection
| Tue 10 Mar 2026
Beijing, March 11 -- Yunnan Yunling Expressway Traffic Tech Co Ltd has filed a patent application for Highway Intelligent Emergency Management Method and System. This invention was developed by Zhang Kaiwen, He Yongjun, Zhang Yun, Guo Hua, Fu Dongxiao, Wen Ruoyi, Zhang Meng, Qin Yaqin, Xie Jiming, Wang Yueran, Wang Jinrui, Zhao ..