Core Viewpoint - The successful commissioning of the 400,000 tons/year acrylonitrile plant at Zhenhai Refining marks a significant advancement in China's petrochemical technology, showcasing the largest single-series acrylonitrile facility globally and highlighting the technological capabilities of Sinopec in this sector [1]. Group 1: Technological Advancements - The Zhenhai Refining plant utilizes the S-ANT acrylonitrile technology developed by Shanghai Institute, which has independent intellectual property rights and has been industrialized successfully in multiple large-scale acrylonitrile facilities [1]. - The new generation of 400,000 tons/year acrylonitrile technology package developed by Shanghai Institute enhances the scale efficiency of the plant and features a high-efficiency catalyst with advantages such as high yield, stability, and good pressure resistance, which reduces energy consumption and improves environmental standards [1]. Group 2: Historical Context and Development - The Shanghai Institute, established in 1960, has evolved into a comprehensive research institution focused on petrochemical technology, becoming a key research base for Sinopec [3][4]. - Over 60 years, the Shanghai Institute has developed a robust research capability and established multiple national-level research bases, contributing significantly to the advancement of China's petrochemical industry [4][5]. Group 3: Achievements and Recognition - The Shanghai Institute has developed numerous catalysts and complete technologies with independent intellectual property rights, achieving industrial application both domestically and internationally, maintaining a leading or advanced level globally [5]. - The institute has received over 350 provincial and ministerial-level scientific and technological awards, including a National Science and Technology Progress Special Prize and multiple gold and silver medals for patents [5].

Core Insights - China National Offshore Oil Corporation (CNOOC) and its subsidiaries have recently obtained a patent for a fractional device and method used in catalytic cracking or catalytic cracking processes, with the patent application date being June 2023 [1][3]. Company Overview - CNOOC was established in 1983 and is headquartered in Beijing, primarily engaged in oil and gas extraction. The company has a registered capital of 11,380 million RMB and has invested in 45 enterprises, participated in 5,000 bidding projects, and holds 281 trademark records and 5,000 patent records [1]. - CNOOC Refining & Chemical Co., Ltd. was founded in 2005, also located in Beijing, focusing on oil, coal, and other fuel processing. It has a registered capital of approximately 1,899.55 million RMB, invested in 28 enterprises, participated in 4,043 bidding projects, and holds 456 trademark records and 476 patent records [2]. - CNOOC Chemical and New Materials Research Institute (Beijing) Co., Ltd. was established in 2016, with a registered capital of 96.12 million RMB. The company has invested in 1 enterprise, participated in 283 bidding projects, and holds 203 patent records [2]. - CNOOC (Qingdao) Heavy Oil Processing Engineering Technology Research Center Co., Ltd. was founded in 2007, located in Qingdao, with a registered capital of approximately 82.36 million RMB. It has participated in 51 bidding projects and holds 179 patent records [2].