Transportation
| Wed 22 Apr 2026
Beijing, April 22 -- Southwest Communication Construction Group has filed a patent application for Climbing Device of Crane. This invention was developed by Yang Huabo, Pu Zankui, Shan Qinying, Liu Hecao, Liu Zhengxiong, Yang Guo, Sun Shunxian, Wang Zhengfei, Dai Shaohai, Guo Xiaokun, Chen Zhixuan, Ning Hongxiang, Tao Yanlan, Ji..