Group 1 - The core point of the article is that Sinopec has obtained a patent for a method and system for producing low-carbon olefins through catalytic cracking, which may enhance its technological capabilities in the petrochemical sector [1] Group 2 - Sinopec, established in 2000, is primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB [1] - Sinopec has invested in 263 companies and participated in 5,000 bidding projects, holding 45 trademark records and 5,000 patent records [1] - The Sinopec Research Institute of Petroleum and Chemical Industry, founded in 2022, focuses on research and development, with a registered capital of 300 million RMB [1] - The research institute has invested in 2 companies, participated in 1,815 bidding projects, and holds 1,313 patent records [1]