Enviornmental
| Sat 27 Jun 2026
Beijing, June 27 -- Henan University of Science and Technology has sought patent for Compound Oxidation Ditch Intelligent Sewage Treatment System. This invention was developed by Zhang Xiaohui, Liu Zhuoyan, Zhao Ran, Xiao Aoqi, Guo Xiaoxi, Yang Yaxin, Wang Yuhao, Zhang Yinke, Zhou Shiqiang, Wu Hongyang, Zhang Ting, Ding He, Chen..