Core Points - The Nanjing to Ma'anshan intercity railway (Ningma Line) has completed its cold and hot sliding tests, marking the transition from equipment installation to system debugging [1] - The Ningma Line spans approximately 54.23 kilometers and includes 16 stations, enhancing connectivity between Nanjing and Ma'anshan [1] - The successful operation of the Ningma Line is crucial for the integrated transportation network of the Nanjing metropolitan area, enabling a 30-minute travel time between the two cities [1] Summary by Sections - **Project Development**: The Ningma Line has moved from the equipment installation phase to the system debugging phase after completing essential tests [1] - **Route and Stations**: The railway covers a total length of about 54.23 kilometers with 16 stations, facilitating better access to key urban areas [1] - **Significance**: The line is a vital part of the Yangtze River Delta's rail transit planning and serves as a model for integrated transportation development in the Nanjing metropolitan area [1] - **Next Steps**: Following the successful tests, the Nanjing Metro will continue to advance the overall debugging and testing processes to meet project acceptance deadlines [1]