Alumina Limited is a global leader in the production and sale of alumina, the raw material for aluminium production. Its operations span from mining bauxite to refining alumina at its four refineries located in Western Australia, Brazil, France and Spain. Alumina also has a joint venture bauxite mining and alumina refining operation in Guinea, West Africa. The company's core objective is to create value for shareholders through focusing on operational excellence and portfolio diversification. Alumina continues to invest in projects that increase production capacity and product quality.