Group 1 - The State Intellectual Property Office of China has granted a patent to China Petroleum & Chemical Corporation for "an alumina carrier and its preparation method and application," with authorization announcement number CN118831579B, applied on April 2023 [1] - China Petroleum & Chemical Corporation, established in 2000 and located in Beijing, primarily engages in oil and gas extraction, with a registered capital of 12,173,968.9893 million RMB [1] - The company has invested in 269 enterprises, participated in 5,000 bidding projects, holds 45 trademark registrations, and has 5,000 patent records, along with 41 administrative licenses [1] Group 2 - Sinopec (Dalian) Petroleum and Chemical Research Institute Co., Ltd., established in 2022 and located in Dalian, focuses on professional technical services, with a registered capital of 338,459.08 million RMB [1] - This subsidiary has invested in 1 enterprise, participated in 3,012 bidding projects, holds 5,000 patent records, and has 65 administrative licenses [1]