Tianjun County

Tianjun County is a county of Qinghai Province, China, bordering Gansu Province to the north. It is under the administration of the Haixi Mongol and Tibetan Autonomous Prefecture. The county seat in Xinyuan Town ().
Economy.
The county is served by the Qinghai–Tibet Railway; its Tianjun railway station is located near the county seat, Xinyuan Town.
Large coalfields are worked near Muli Town () in the northern part of the county, at the elevation around 4,000 m above the sea level. The Muli coal fields are connected with the Ha'ergai railway station on the Qinghai–Tibet Railway by a long branch railway, whose two sections are known as the Chada'er Railway () and the Cha-Mu Railway ().