Another good news of the construction of the Guiyang North-Nanning East High-speed Railway - at 17:28 on May 2, with the completion of the last truck of concrete pouring, the Guinan High-speed Railway Zhangjiang Multi-Line Super Bridge was successfully closed, marking the sixth high-speed railway in Guinan. The main line bridge works of the bidding section are all completed, laying a solid foundation for the subsequent bridge deck construction and track laying.