MMX Mineração is a Brazilian iron ore mining company with assets in Minas Gerais and Mato Grosso do Sul. [1] It has two operating systems, Serra Azul and Corumbá, with a current combined capacity of 7 million tonnes per year. [2] MMX is expanding its flagship Serra Azul project which has reserves of nearly 1 billion tonnes and will target production of 15 million tonnes annually. [3] It also owns the Sudeste Superport, a deepwater port facility near Rio de Janeiro licensed for 50 million tonnes per year and expandable to 100 million tonnes.