[Welding construction of China-Laos railway seamless track completed]On September 16, 2021, the welding construction of more than 400 kilometers of seamless track of the China-Laos Railway of China Railway Second Bureau was completed. Since the rail welding team of the China-Laos Railway Track Laying Base of China Railway Second Bureau broke ground in May 2020, the cadres and employees of the rail welding base have overcome the difficulties of construction sites and late equipment arrivals in the rainy season. They have passed through 75 tunnels, 165 bridges, 20 stations, which lasted 16 months, successfully completed the welding construction tasks of 500-meter long rails and seamless tracks on the whole line. Editor/Tian Zengpeng
On October 11, 2026, the Gaosheng No.2 Tunnel of the West Chongqing High speed Railway, constructed by CRSG, was successfully completed in Kaizhou District, Chongqing. The tunnel has a total length of 7234 meters and is classified as a Class I high-risk tunnel, overcoming multiple geological challenges. The project has laid the foundation for the timely opening of the West Chongqing high-speed railway, improved the high-speed railway network in the central and western regions, and driven regional coordinated development. Editor/Min Jing
On October 10, 2026, the Yanwei 1000 kV High Voltage Project was completed and put into operation, which is also the first ultra-high voltage AC transmission and transformation project put into operation during China's 15th Five Year Plan period. The total length of the project line is 1197 kilometers. After it is put into operation, nuclear power from Haiyang, Laiyang and other places in Yantai, Shandong will be sent out through this channel, greatly improving the green power supply capacity in Shandong Province. Editor/Min Jing