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Core Viewpoint - The Daqin Railway has become a crucial channel for coal supply in China, achieving significant increases in both transport volume and efficiency during the winter season, with a projected coal transport volume of 516 million tons this year [1] Group 1: Transport Capacity and Efficiency - The Daqin Railway is responsible for over 20% of national coal transport, with a focus on enhancing transport capacity and efficiency [1] - The introduction of a wireless synchronous control system and the optimization of the GSM-R signal system have enabled the connection of 20,000-ton long trains, significantly increasing transport volume [2] - The Daqin Railway has set multiple records, including the highest density of heavy-haul trains and the strongest transport capacity globally [2] Group 2: Technological Innovations - Heavy-duty steel tracks, designed to support long trains, have been developed using advanced seamless welding technology, ensuring smooth and safe train operations [2] - The implementation of big data and artificial intelligence has improved operational efficiency, particularly in managing the challenges of long train braking [3] - A three-step braking operation method has been integrated into a research platform, enhancing the safety and efficiency of train operations on steep gradients [3] Group 3: Operational Coordination - Real-time monitoring of railway transport and vehicle distribution at ports has been established, allowing for better communication and efficiency in operations [4][5] - Collaborative efforts among various units at Qinhuangdao Port aim to optimize daily transport volume and arrival times, thereby reducing communication costs [5] - The Daqin Railway has achieved a normalized transport capacity of 450 million tons annually, playing a vital role in ensuring national energy security and supporting economic development [5]