Security & Protection
| Sun 01 Mar 2026
Beijing, March 2 -- Xuzhou Jiangmei Technology has sought patent for Mining Dangerous Area Approaching Alarm Device. This invention was developed by Chen Chuangju, Li Chenhua, Li Qun, Mu Xiangkang, Yang Dongdong, Zhou Panpan, Shi Xianran, Luo Yanfei, Xia Ziping, Zhu Yuqing, Han Hongmin, Miao Aiai, Pei Yunping, Dong Shanshan, Jin..