Tongliao–Ranghulu railway
The Tongliao–Ranghulu railway or Tongrang Railway (), is a railroad in northeastern China, between Tongliao station in Inner Mongolia and Daqing west station (formerly Ranghulu station) on the Harbin–Manzhouli railway in Heilongjiang Province. The railway has a total length of and runs north-south from eastern Inner Mongolia through western Jilin Province to the oil fields of Daqing in western Heilongjiang. The line was built from 1964 to 1966. Major cities and towns along route include Tongliao, Da'an, and Daqing. Electrification of the railway was completed in 2018.