Security & Protection
| Tue 31 Mar 2026
Beijing, March 31 -- Sinohydro Bureau 7 has applied Chinese patent for Safety Emergency Device for Preventing Shield Tail Leakage. Ni Huajun, Wang Jian, Wang Zhanxin, Lai Haiming, Xian Jiang, Li Gang, Xu Fangkun, Wang Yongfeng, Wan Qiang, Li Jianping, Jiang Guangqing, Hu Jinjie, Peng Zucheng, Liao Junqi and Zhu Yuhang developed ..