Aduunchuluun coal mine

The Aduunchuluun Coal Mine, also written as "Aduun Chuluun" coal mine (Адуун чулуун, horses' rock) is a coal mine located next to Choibalsan city in Dornod aimag of eastern Mongolia. The mine has coal reserves amounting to 423.8 e6t of coking coal, one of the largest coal reserves in Asia and the world. The mine has an annual production capacity of 0.6 million tonnes of coal. Owner is the Mongolyn Alt Corporation (MAK).