Core Viewpoint - The successful commissioning of Sinopec Zhenhai Refining & Chemical's 400,000 tons/year acrylonitrile plant, utilizing proprietary technology from Shanghai Petrochemical Research Institute, marks a significant advancement in the large-scale production of acrylonitrile, establishing it as the largest single-series plant globally [1] Group 1: Technology and Production - The acrylonitrile plant operates smoothly and continuously produces qualified acrylonitrile products, meeting all technical specifications [1] - Shanghai Petrochemical Research Institute has developed the S-ANT acrylonitrile technology with independent intellectual property rights, which has been industrialized and applied to multiple large-scale acrylonitrile plants in China, yielding significant economic and social benefits [1] - The new generation of 400,000 tons/year acrylonitrile technology package enhances the scale efficiency of the plant and features a high-efficiency acrylonitrile catalyst that offers high yield, stability, and good pressure resistance, thereby reducing design energy consumption and improving environmental standards [1]