Security & Protection
| Tue 18 Aug 2026
Beijing, Aug. 18 -- Shandong Hi Speed Eng Design Co Ltd has sought patent for Safety State Monitoring Method and System for Urban Slow Traffic. This invention was developed by Jiang Dong, Sun Min, Zhang Shengwei, Zhang Feng, Liu Pei, Chen Haichang, Liu Bin, Wang Yao, Zhu Jianya, Qi Yumiao and Chang Xiaoyu.
The patent applicat..