Sou Hu Cai Jing·2025-08-22 12:56Core Viewpoint - China Petroleum & Chemical Corporation (Sinopec) and Sinopec Yizheng Chemical Fiber Co., Ltd. have obtained a patent for a system and method for the efficient utilization of refined light components of anhydride, with the patent number CN115611722B, applied for on July 2021 [1] Group 1: Company Overview - China Petroleum & Chemical Corporation was established in 2000 and is based in Beijing, primarily engaged in oil and gas extraction [1] - The registered capital of China Petroleum & Chemical Corporation is approximately 12,173.97 million RMB [1] - The company has invested in 263 enterprises and participated in 5,000 bidding projects, holding 45 trademark records and 5,000 patent records, along with 40 administrative licenses [1] Group 2: Sinopec Yizheng Chemical Fiber Co., Ltd. - Sinopec Yizheng Chemical Fiber Co., Ltd. was established in 2014 and is located in Yangzhou, primarily engaged in chemical fiber manufacturing [1] - The registered capital of Sinopec Yizheng Chemical Fiber Co., Ltd. is 4,000 million RMB [1] - The company has invested in 7 enterprises and participated in 5,000 bidding projects, holding 93 trademark records and 383 patent records, along with 143 administrative licenses [1]