Jin Rong Jie·2025-08-13 08:55Group 1 - The Shanghai Composite Index rose by 0.48% to close at 3683.46 points, while the Hang Seng Index increased by 2.58% to 25613.67 points [1] - Shanghai Petrochemical's A/H premium reached 127.51%, ranking 16th among A/H shares [1] - At the close, Shanghai Petrochemical's A-shares were priced at 2.87 yuan, down 0.35%, and H-shares were at 1.38 HKD, remaining flat [1] Group 2 - Shanghai Petrochemical is a subsidiary of Sinopec and is one of China's major integrated refining and chemical enterprises [1] - The company is a significant producer of refined oil, intermediate petrochemical products, synthetic resins, and synthetic fibers in China [1] - Shanghai Petrochemical was established in 1972 and became the first company in China to be listed simultaneously in Shanghai, Hong Kong, and New York in 1993 [1]