Sou Hu Cai Jing·2025-08-06 03:29Group 1 - The core point of the article is the acquisition of a patent by China National Petroleum Corporation (CNPC) and its subsidiary, Karamay Petrochemical Co., Ltd., for a method to increase the content of naphthenic hydrocarbons in specialized white oil for thermoplastic elastomers [1] Group 2 - Karamay Petrochemical Co., Ltd. was established in 2015 and is primarily engaged in the petroleum, coal, and other fuel processing industries, with a registered capital of 5,151.49 million RMB [1] - The company has made investments in one external enterprise, participated in 1,615 bidding projects, holds 94 patents, and possesses 113 administrative licenses [1] Group 3 - China National Petroleum Corporation was founded in 1999 and focuses on oil and gas extraction, with a registered capital of 18,302.10 million RMB [1] - The corporation has invested in 1,286 external enterprises, participated in 445 bidding projects, holds 38 trademark registrations, and possesses 5,000 patents along with 168 administrative licenses [1]