Group 1 - The core viewpoint of the news is that Sinopec has applied for a patent for a toughened high-flow nylon copolymer, which simplifies the production process and enhances economic efficiency [1] - The patent application was filed on October 2023, indicating ongoing innovation efforts within Sinopec [1] - The nylon copolymer includes olefin polymer chain segments and nylon chain segments derived from nylon monomers, which improves mechanical properties and toughness [1] 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, showcasing its extensive operational footprint [2] - Sinopec (Beijing) Chemical Research Institute, founded in 2021, focuses on the manufacturing of chemical raw materials and products, with a registered capital of 100 million RMB [2]