Group 1 - The State Intellectual Property Office of China has published a patent application by China Petroleum & Chemical Corporation (Sinopec) for a method and device for controlling the feed rate of a heating furnace, aimed at preventing premature coking and insufficient heating in the furnace [1] - The patent application, titled "Storage Medium, Feed Rate Control Method, Device and Equipment for Heating Furnace," was filed on October 2023 and includes a three-dimensional thermodynamic model for optimizing feed rate parameters [1] - The invention is expected to enhance the control effectiveness of heating furnaces, which is crucial for operational efficiency in the petrochemical industry [1] Group 2 - China Petroleum & Chemical Corporation, established in 2000, is primarily engaged in the petroleum, coal, and other fuel processing industries, with a registered capital of approximately 12.17 billion RMB [2] - The company has made investments in 256 enterprises and participated in 5,000 bidding projects, holding 45 trademark registrations and 5,000 patent records [2] - Sinopec (Dalian) Petrochemical Research Institute, founded in 2022, focuses on research and experimental development, with a registered capital of approximately 338.46 million RMB and has participated in 695 bidding projects [2]