Jiaxun Feihong (300213.SZ) stated on the investor interaction platform that the company's related products have covered 18 railroads and participated in multiple national key projects. The company participated in the world's first high-speed rail with automatic driving - the Beijing-Zhangjiakou high-speed rail project, providing them with GSM-R network interface comprehensive monitoring systems, turnout gap monitoring systems, and other products and solutions; by installing monitoring systems on all vehicles and ground stations, completed the complete closed-loop monitoring from radio frequency spectrum, air interface to ground wired interface, realizing detailed recording and analysis of the communication process and data transmission of C3, automatic location and comprehensive analysis of C3+ATO timeout faults; while forming a complete closed-loop data monitoring acquisition, also replaced manual data analysis with automatic intelligent analysis, using cloud computing, big data and other technologies to quickly discover faults, solve faults, achieving the goal of 'no overnight failures, timely repair of predicted status' for trains, effectively improving the operational efficiency of the line, providing important support for ensuring the safe and efficient operation of the Beijing-Zhangjiakou intelligent high-speed rail.