Healthcare
| Sun 16 Aug 2026
Beijing, Aug. 17 -- China Gezhouba Group No 3 Engineering has secured a patent on Trolley Step Walking Auxiliary Device. Xue Xinli, Song Xiaojian, Guo Lin, Li Dongfei, Wu Haijin, Wang Lin, Dai Puqing, Li Yang, Bai Lin, Liu Wenping and Jiang Jing developed the invention.
The patent application number is CN20242340058U 20241210. ..