It is said, this project locates within territory of Dachaidan Hangwei, Haixi and Dulan County, jointing Xitieshan Stop of Xige Section of Qinghai-Tibet Railway, moving to Yanhu mining area, Beihebuxun from the south, with total 53.75km long(including 8.5km of Liujie Line). It is invested totally with 117.74 billion yuan. Its rail level is classified Grade 1, the designed speed is 80km/h and annual transportation capacity is 17 million tons. This line will be finished by 2013.