Group 1 - The core point of the article is that Sinopec has obtained a patent for a method to test the fatigue performance of thermosensitive metal materials, indicating ongoing innovation in the company [1] - 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 made investments in 263 companies and participated in 5,000 bidding projects, showcasing its extensive operational footprint [1] Group 2 - Sinopec Safety Engineering Research Institute, founded in 2021, focuses on research and experimental development, with a registered capital of approximately 499 million RMB [1] - The research institute has invested in 4 companies and participated in 1,412 bidding projects, reflecting its active role in the industry [1] - Sinopec Safety Engineering Research Institute holds 1,826 patents, indicating a strong emphasis on innovation and intellectual property [1]