Tools and Machinery
| Fri 04 Oct 2024
Beijing, Oct. 5 -- No. 2 Eng Co Ltd of CCCC Third Harbor Eng have been granted a patent for earthwork backfilling and tamping device. Gao Chengbin, Gu Shengwei, Song Peixing, Yang Liwen, Yan Dong, Tai Yunpeng, Gao Yucheng, Mao Hanwen, Song Xian, Han Liqin, Fan Tao, Xu Haijun, Wang Yejie, Wang Zejun and Zhao Dongyang developed th..