Group 1 - The State Intellectual Property Office of China has granted a patent to China Petroleum & Chemical Corporation and Sinopec Engineering Group Co., Ltd. for a technology related to a dual backflow jet-enhanced premixed liquid hydrocarbon desulfurization reactor, with the patent announcement number CN116272825B and application date of February 2023 [1] - China Petroleum & Chemical Corporation, established in 2000 and based in Beijing, primarily engages in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB. The company has invested in 267 enterprises, participated in 5,000 bidding projects, holds 45 trademark registrations, and has 5,000 patents, along with 41 administrative licenses [1] - Sinopec Engineering Group Co., Ltd., founded in 2007 and also located in Beijing, focuses on water management, with a registered capital of approximately 441.85 million RMB. The company has invested in 12 enterprises, participated in 73 bidding projects, holds 5,000 patents, and has 4 administrative licenses [1]