Enviornmental
| Tue 20 Oct 2026
Beijing, Oct. 19 -- Shandong Humon Smelting has been granted a patent for Mineral Powder-containing Sewage Sedimentation Device. Zhang Feng, Qu Shuhua, Bi Hongchao, Zhang Na, Sun Xiaoyang, Qu Jialin, Wang Juzheng, Xu Shente, Zhang Junfeng, Gao Zhenglu, Yan Qing and Wang Lei developed the invention.
The patent application numb..