Enviornmental
| Thu 19 Feb 2026
Beijing, Feb. 19 -- Shanxi Sixth Construction Group has filed a patent application for Sewer Line Sludge Treatment Device. This invention was developed by Guo Liang, Cheng Ganggang, Hu Yanhai, Liu Xiao, Guo Xiaochen, Zhang Ziwei, Pang Yuhui, Wu Yongfei, Wang Jinmei, Li Xudong, Guo Shidong and Dong Wenjuan.
The patent applicat..