The renovation project progress of Lanxi section of Lanzhou-Xinjiang Passenger Dedicated Line of China Railway 21st Bureau will be completed by the end of 2023. According to relevant public information, according to the Qinghai Provincial Development and Reform Commission, the bidding for the upgrading project of Lanxi section of Lan Xin Passenger Dedicated Line is under way. Construction is planned to start in August, and it is expected to be completed and put into operation before the end of 2023.