Enviornmental
| Fri 19 Dec 2025
Beijing, Dec. 20 -- Cangzhou Dahua Co Ltd has secured a patent on Device for Recovering Organic Matters in Wastewater. Liu Zeng, Ban Hongsheng, Li Yongkuo, Du Xiaoling, Yang Hua, Meng Fanjing, Li Guangrui, Yu Zhaoqiang, Sun Guohui, Zhang Zhicheng, Li Cunfeng and Zhao Xuepeng developed the invention.
The patent application num..