Construction
| Tue 24 Feb 2026
Beijing, Feb. 25 -- PowerChina Railway Construction Invest Group and Sinohydro Bureau 1 have applied Chinese patent for Radial Clearance Dynamic Sensing and Mud-effect-preventing Grouting System. Li Cunjun, Yu Qi, Qiao Zhihua, Zhang Junchao, Wang Liwu, Han Xiangchao, Sun Jinjin, Peng Minggang, Sun Liming, He Yonglin, Li Guangsha..