Chemicals
| Fri 09 Oct 2026
Beijing, Oct. 9 -- State Intellectual Property Office of China has awarded a patent to Shanxi Lu'an Coal Based Synthetic Oil for Filter Pressing Device for Ammonium Sulfate Production. Li Lingyan, Wei Yong, Song Peng, Niu Xiaoqiang, Jin Ke, Li Sen, Wang Lei, Zhang Weiwei, Duan Hongfang, Li Dan, Zhang Lei and Cao Qinhui developed..