Yu-Kun high-speed rail Jiangdi Niulanjiang super large bridge hoisting

The Jiangdiniulanjia Extra Large Bridge of the Chongqing-Kunming High-Speed Railway, constructed by China Railway Second Bureau, completed the full bridge closure on September 7th. The completion of the bridge closure marks a crucial breakthrough in the construction of the Chongqing-Kunming High-Speed Railway, which has a high proportion of bridges and tunnels accounting for 87.4%. This achievement has laid a solid foundation for the on-schedule completion and opening of the entire railway line.