Chemicals
| Fri 31 Jul 2026
Beijing, July 31 -- CNOOC Ningbo Daxie Petrochemical Co Ltd has sought patent for Low-pressure Solvent Oil Removal System and Method for Solvent Deasphalting Device. This invention was developed by Lin Zhiqiang, Zhao Changbin, Chen Lingling, Wang Shiwen, Gao Jian, Liu Rongbo, Gao Liang, Xia Weijian, Jin Bo, Xie Haibing, Ying Lie..