Group 1 - The core point of the article is that China National Petroleum Corporation has obtained a patent for a multifunctional catalyst additive and its preparation method, with the patent announcement number CN118543372B and application date of August 2023 [1] Group 2 - China National Petroleum Corporation was established in 1999 and is based in Beijing, primarily engaged in oil and gas extraction [1] - The company has a registered capital of 18,302,097,000 RMB [1] - According to data analysis, the company has invested in 1,296 enterprises, participated in 443 bidding projects, and holds 38 trademark records and 5,000 patent records, along with 168 administrative licenses [1]