Security & Protection
| Thu 25 Apr 2024
Beijing, April 26 -- Puyang Longfeng Paper has been awarded a patent for novel fire extinguisher protection device. This invention was developed by Zhao Jiuhui, Feng Dongwang, Shao Genbo, Chen Dezhong, Lyu Shefang, Yan Zhanwei, Zhu Wenhui, Xue Cunwei, Hao Xiaodan, Chen Jianwei, Zhang Fuguo, Li Pengfei, Han Long, Jung Dae-Ho, Zha..