MGX Resources Limited, together with its subsidiaries, engages in the mining, processing, shipment, export, and sale of hematite iron ore in Australia and China. Its flagship project is the Koolan Island mine site located in the Kimberley region of Western Australia. The company is also involved in the treasury management, mineral resources acquisition, and investment activities. The company was formerly known as Mount Gibson Iron Limited and changed its name to MGX Resources Limited in November 2025. The company was incorporated in 1996 and is based in West Perth, Australia.