Construction
| Thu 25 Jun 2026
Beijing, June 25 -- Hunan No 3 Construction and Engineering has submitted a patent application for Sliding Type Construction Ladder Stand. This invention was developed by Jiang Dexiu, Hong Dae-woong, Luo Jincheng, Peng Bin, Zhou Zhu, Long Zhiqiang, Liu Fuxiong, Liu Jun, Li Pei, Li Ruisheng, Dong Jianbo, Xiang Zongxing, Duan Yinp..