Pharmaceutical
| Wed 26 Nov 2025
Beijing, Nov. 26 -- PetroChina; China Kunlun Contracting & Engineering Corp and Tianjin University have sought patent for Secondary Production Process and System of P-xylene. This invention was developed by Huang Bingyao, Lao Guorui, Xie Chuang, Bai Yunhe, Jiang Guoguang, Xie Ping, Jing Tao, Liu Boyan, Li Yinping, Hou Baohong an..