Entrée Resources Ltd. is a Canadian mining company focused on copper and gold exploration and development. It holds a 20% or 30% participating interest in the Entrée/Oyu Tolgoi joint venture, which is part of the Oyu Tolgoi copper-gold mining project in Mongolia. The company also has royalty interests in mineral properties located in Peru and Australia. Entrée generates revenue through its share of mineral production from the joint venture and royalties from its interests.