China Railway Lanzhou Group, officially abbreviated as CR Lanzhou or CR-Lanzhou, formerly, Lanzhou Railway Administration is a subsidiaries company under the jurisdiction of the China Railway (formerly the Ministry of Railway).
Its origin can be traced back to 1 March 1956 when the Lanzhou Railway Bureau was established. The railway administration was reorganized as a company in November 2017.
It supervises the railway network within eastern Gansu, Ningxia, and western Inner Mongolia. In 2015 it operated of railways, including of mainline track.