Enviornmental
| Tue 11 Aug 2026
Beijing, Aug. 11 -- State Intellectual Property Office of China has awarded a patent to Northwest Res Institute Mining & Metallurgy Institute for Laboratory Sewage Purification Treatment Device. Hou Xue, Li Yongli, Gao Zhengjiao, Wang Zhuo, Qi Baiyu, Lu Changxiang, Jin Long, Zhang Wenqiang, Zhao Hecun and Yang Zhuorong developed..