Chemicals
| Sat 21 Feb 2026
Beijing, Feb. 21 -- State Intellectual Property Office of China has awarded a patent to CHN Energy Group Ningxia Coal Industry for Reduction Catalyst System. Li Shunping, Bai Wenhua, Yang Zhanqi, Zhang Feiyue, Zhu Xiangyu, Su An, Gu Qiangwei, Han Zhengning, Ma Haiyun, Ma Rui, Zhang Hengshan, Li Jun and Yang Zhiping developed the..