Group 1 - The core point of the article is that China Petroleum & Chemical Corporation (Sinopec) has obtained a patent for a process method related to the mixed hydrogenation of coking gasoline and naphtha, with the patent announcement number CN118146831B and an application date of December 2022 [1] Group 2 - China Petroleum & Chemical Corporation was established in 2000 and is primarily engaged in oil and gas extraction, with a registered capital of 121,739.6893 million RMB [1] - The company has made investments in 267 enterprises and participated in 5,000 bidding projects, holding 45 trademark records and 5,000 patent records, along with 41 administrative licenses [1] Group 3 - Sinopec (Dalian) Petrochemical Research Institute Co., Ltd. was established in 2022 and focuses on research and experimental development, with a registered capital of 3,384.5908 million RMB [1] - This subsidiary has invested in 1 enterprise, participated in 2,796 bidding projects, holds 5,000 patent records, and has 65 administrative licenses [1]