Group 1 - The core point of the article is that China National Petroleum Corporation (CNPC) has applied for a patent for a method, device, and equipment for collaborative evaluation in the crude oil industry chain, indicating a focus on improving efficiency and precision in evaluating the integration of the oil industry chain [1][3] Group 2 - CNPC was established in 1999 and is primarily engaged in oil and natural gas extraction, with a registered capital of 18,302,097,000 RMB [2] - The company has made investments in 1,283 enterprises and participated in 496 bidding projects, showcasing its extensive involvement in the industry [2] - CNPC holds 38 trademark registrations and has filed 5,000 patent applications, indicating a strong emphasis on innovation and intellectual property [2]