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On March 25, 2025, the launch ceremony was held for the centralized resumption of work on key projects in Taihe District, Jinzhou City, Liaoning Province, during the first quarter of that year; it was also the occasion when the construction of a new facility at Liaoning Lanqi Fine Chemical Materials Co., Ltd. for the production of 100,000 tons per year of adiponitrile began. The project is located in the chemical industry park of Tanghezi Economic Development Zone in Jinzhou, with a total investment of 3 billion yuan, and will be constructed in two phases. With an initial investment of 1.28 billion yuan, a new facility capable of producing 100,000 tons per year of dinitriles is being built; the first production line with an output of 10,000 tons per year is scheduled to be completed and put into operation by the end of December 2025 ； The second phase of investment amounts to 1.72 billion yuan, aimed at building a facility with an annual production capacity of 200,000 tons of nylon 66; it is expected that the 100,000-ton production line will be completed and put into operation by November 2026. It is reported that this project, with an annual production capacity of 100,000 tons of adiponitrile, utilizes the electrolytic method for acrylonitrile production; the raw material acrylonitrile is readily available, located just 50 kilometers away in Panjin. The process technology involved is the result of independent research and development through collaboration among industry, academia, and research institutions. On June 26, 2024, a signing ceremony was held for this project, marking its official establishment in Taihe District, Jinzhou, Liaoning.