Pharmaceutical
| Wed 04 Nov 2026
Beijing, Nov. 4 -- Puyang Hotway Pharmaceuticals Co Ltd has received a patent for Equipment for Fermenting and Treating High-ammonia-nitrogen Wastewater. This invention was developed by Liu Chenjian, Xu Xia, Song Shunrong, Han Zhenguo, Feng Xiuli, Chen Shufang, Qi Xueguang, Deng Huimin, Zheng Lina, Zhao Kaisheng, Feng Lei, Chong..