Sou Hu Cai Jing·2025-06-24 10:35Group 1 - The core viewpoint of the news is that China National Petroleum Corporation (CNPC) has applied for a patent for a specialized white oil for polystyrene, indicating a focus on innovation in petrochemical products [1][3] - The patent application, titled "Special White Oil for Polystyrene and Its Preparation Method and Application," was filed on May 2025, highlighting the company's ongoing research and development efforts [1] - The specialized white oil is characterized by high distillation range, high flash point, suitable hydrocarbon composition, excellent UV stability, and thermal stability, which enhances the processing and molding characteristics of polymers [1] Group 2 - CNPC 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 approximately 5.15 billion RMB [1] - The company has made investments in one external enterprise, participated in 1,501 bidding projects, and holds 91 patents, along with 111 administrative licenses [1] - China National Petroleum Corporation, founded in 1999, focuses on oil and gas extraction, with a registered capital of approximately 18.30 billion RMB, and has invested in 1,283 enterprises, participated in 496 bidding projects, and holds 5,000 patents [2]