Sou Hu Cai Jing·2025-05-03 08:53Group 1 - The core viewpoint of the news is that Sinopec has applied for a patent related to a multi-energy coupling system control method, which aims to optimize the economic efficiency and stability of renewable energy systems [1][3] Group 2 - Sinopec, 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] - Sinopec has invested in 257 companies and participated in 5,000 bidding projects, holding 45 trademarks and 5,000 patents [2] - Sinopec (Dalian) Petroleum and Chemical Research Institute, founded in 2022, focuses on research and experimental development, with a registered capital of approximately 338.46 million RMB [2] - The Dalian Research Institute has invested in 1 company, participated in 707 bidding projects, and holds 4,506 patents [2]