Core Insights - The Harbin Railway Bureau Group Company has introduced three new CR400BF-GS intelligent upgraded high-speed trains, which will officially enter service during the summer transportation period [1][3] - The new train model has a maximum operating speed of 350 km/h and increases passenger capacity from 578 to 619 due to optimized interior layout and equipment integration [1] - The CR400BF-GS model features advanced noise reduction technology and additional charging ports for passenger convenience [1] Technical Enhancements - The CR400BF-GS trains are designed with a double-sealed cabin to ensure safe operation in winter conditions, incorporating nano anti-freeze coatings on critical components [2] - The braking system is equipped with an intelligent temperature control module to address issues related to ice and snow accumulation [2] - Training programs for train drivers and maintenance personnel have been enhanced, including the selection of 16 ground mechanics and the use of simulation equipment for various weather conditions [2]