Sou Hu Cai Jing·2025-08-26 06:26Group 1 - The core viewpoint of the news is that Sinopec has obtained a patent for a distillation separation device and production system, which aims to improve the separation efficiency of azeotropic products and by-products in the distillation process [1][3] Group 2 - Sinopec Limited, established in 2000, is primarily engaged in oil and gas extraction, with a registered capital of approximately 12.17 billion RMB [2] - Sinopec Shanghai Petrochemical Research Institute, founded in 2022, focuses on technology promotion and application services, with a registered capital of 498 million RMB [2] - Sinopec Limited has invested in 263 companies and participated in 5,000 bidding projects, holding 45 trademark records and 5,000 patent records [2] - Sinopec Shanghai Petrochemical Research Institute has invested in 2 companies and participated in 894 bidding projects, holding 734 patent records [2]