On June 12, 2023, the Guiyang Nanning high-speed railway began conducting a comprehensive inspection of all systems along the entire line, bringing it closer to the opening of the entire line.

The full line pull-through test is a comprehensive inspection and verification of the entire line, system, and function after the line undergoes stepwise acceleration testing, signal system testing, and other system tests. The high-speed comprehensive inspection train used in this full line pull through test is an important technical equipment for comprehensive inspection of high-speed railways. It is known as Doctor Huang due to its eye-catching yellow body coating.

Next, Dr. Huang will collect and analyze relevant data through round-trip running, complete step-by-step speed up testing, and test multiple equipment projects along the line, such as tracks, signals, communication, electrical services, and comprehensive grounding, until they meet the conditions for opening and operation.

The Guinan high-speed railway is an important component of China's eight vertical and eight horizontal high-speed railway network from Baotou to Haikou, with a designed speed of 350 kilometers per hour and a total length of 482 kilometers on the main line. Among them, the line from Longli North to Nanning East is a new line, with 12 stations in Longli North, Guiding County, Duyun East, Dushan East, Libo, Huanjiang, Hechi West, Yong'an Town, Du'an, Mashan County, Nanning North and Nanning East.

After the full operation of the Guinan high-speed railway, the running time of trains from Guiyang to Nanning will be reduced from more than 5 hours now to about 2 hours. At that time, Guiyang Nanning High speed Railway will connect with Chengdu Guiyang, Guiyang Guangzhou, Shanghai Kunming and other high-speed railway lines, and become a convenient and fast passenger transport main channel from Sichuan, Chongqing and Guizhou to Nanning, Gulf of Tonkin, western Guangdong and Hainan. It is of great significance to facilitate people's travel, improve the comprehensive transportation hub system in southwest China, help rural revitalization, and promote economic and social development of areas along the line. Editor/Xie Li