Aranjin Resources Ltd., together with its subsidiaries, engages in the exploration and development of copper projects. Its flagship asset is the Baruun Tal Copper Project located in the World Class South Gobi Porphyry Copper Province. The company was formerly known as Five Star Diamonds Limited and changed its name to Aranjin Resources Ltd. in June 2020. Aranjin Resources Ltd. is headquartered in Ulaanbaatar, Mongolia.