从零公里起步到全面领跑 中国高铁凭借诸多优势与技术“圈粉”

Group 1 - The 17th China International Modern Railway Technology Equipment Exhibition concluded on July 10, showcasing over 500 global enterprises and highlighting China's leading position in high-speed rail technology [1][4] - The exhibition covered an area of 40,000 square meters and attracted railway companies from 14 countries and regions, demonstrating the latest advancements in global railway technology [4] - More than 70,000 visitors attended the exhibition, with significant attention on Chinese companies, particularly the CR450 high-speed train, which achieved a test speed of 450 kilometers per hour [6] Group 2 - The CR450AF train set has a maximum test speed of 450 kilometers per hour, maintaining a consistent braking distance from 400 kilometers to 0 kilometers, similar to the CR400AF [6] - The CR450BF train set has completed a series of line tests and is expected to be operational by 2026, showcasing China's extensive capabilities in high-speed rail [8] - China has established itself as a leader in high-speed rail with the longest mileage, largest scale under construction, and the most comprehensive technology and application scenarios [8] Group 3 - The China Railway Scientific Research Institute has developed technology to collect geological information in real-time, enhancing construction efficiency and safety [10] - During the exhibition, the Fuxing freight train set, capable of 300 kilometers per hour, is under development, alongside the world's largest power dual-source locomotive for passenger and freight use [11] - The international railway community recognizes China's advancements, with the International Union of Railways' Secretary-General noting that the CR450 represents a significant technological breakthrough, surpassing existing technologies from countries like Japan [12]