Security & Protection
| Sun 21 Dec 2025
Beijing, Dec. 22 -- Beijing Shougang has secured a patent on Harmful Gas Early Warning System. Wang Zhefei, Guo Weijin, Fan Ruichou, Liu Xiaobo, Tian Li, Cao Heng, Xue Dong, Jia Shasha, Zhou Weisheng, Li Xiaohui, Lyu Kun, Chen Junnan, Mei Jiaxing, Niu Jinliang and Yang Yang developed the invention.
The patent application numb..