Group 1 - The State Intellectual Property Office of China has granted a patent for a gas treatment reactor with a return mixing component to China Petroleum & Chemical Corporation and Sinopec Engineering Group Co., Ltd. The patent announcement number is CN118615847B, and the application date was March 2023 [1] - China Petroleum & Chemical Corporation, established in 2000 and located in Beijing, primarily engages in oil and natural gas extraction. The company has a registered capital of 12,173,968.9893 million RMB. It has invested in 267 companies, participated in 5,000 bidding projects, holds 45 trademark registrations, and has 5,000 patent records, along with 41 administrative licenses [1] - Sinopec Engineering Group Co., Ltd., founded in 2007 and also based in Beijing, focuses on water management. The company has a registered capital of 441,854.35 million RMB. It has invested in 12 companies, participated in 73 bidding projects, holds 5,000 patent records, and has 4 administrative licenses [1]