Enviornmental
| Thu 05 Mar 2026
Beijing, March 6 -- Huaneng Lancang River Hydropower has applied Chinese patent for Extraction Pump of Sewage Treatment Station. Yang Qi, Pu Zhongyong, Duan Bihui, Liu Zhengping, Zhang Zhiwei, Xia Yidan, Lu Fei, Wang Yue, Yang Shangrong, Li Guozhi, Zhang Xiaohan, Yin Wenchun and Long Xuekui developed it.
The patent applicatio..