Security & Protection
| Sat 26 Sep 2026
Beijing, Sept. 26 -- Shandong Hi-Speed Dejian Group has secured a patent on Portable Foldable Fire Extinguisher Hanger. Liu Zhencun, Zhang Chao, Zhang Yu, Gao Zhen, Xiang Tianli, Sun Song, Leng Dongyang, Liu Jianliang, Qu Pengyu and Guo Tengfeng developed the invention.
The patent application number is CN202423170602U 20241223...