The Guizhou Qingzheng Changchonghe mine (which along with Yanlong, Lindai and Maiba forms Guizhou #2) consists of the Dayan section, Poyan section, Laohuangpo section, Xinlong Dapo section. The mines are captive suppliers to the Guizhou refinery. Plans for a 200kt/a underground mine at Dayan have received approval. The mine is expected to be put into production in 2015. There are no expansion plans for the Dayan open pit mining area.