Security & Protection
| Fri 01 May 2026
Beijing, May 1 -- Cccc-Shec Dong Meng Engineering has submitted a patent application for Adjustable Safety Protection Trolley. This invention was developed by Wang Yefei, Luo Haibo, Yan Ronghu, Tian Chen, He Gang, Teng Gaojun, Liu Yongchang, Lei Junjie, Gu Xin, Yang Jun, Du Jia and Dong Zhuotao.
The patent application number is..