On April 21, 2021, the China Railway First Bureau, which undertook the task of laying the entire line of the domestic Yumo section of the China-Laos Railway, overcomes the difficulties in the construction of the erection. In the case of tight schedule and heavy tasks, the project department carefully organized and arranged rationally. The track laying construction plan has been optimized many times, using two domestic advanced CPG500 track laying machines, four shifts of workers are working day and night, and the track laying progress is accelerating, and the track laying construction has entered the territory of Xishuangbanna. Editor/Xu Shengpeng