Luiz Antonio de Souza Queiroz Ferraz

Eluma SA Indústria e Comércio produces, develops and manufactures semi-elaborated copper and its alloys, tubes seamless, laminates, bars and wires. The Copper products include connectors, contacts, coaxial cables, wave guides, circuit breakers, electric-electronic terminals, engine joints, radiator fins, heat exchangers, gutters, roofs, solar manifolds, alembics, decorative objects and home appliances. The Brass products include ammunition, connectors, contacts, bulb sockets, toilet metal fixtures, hinges, printery, radiators, trays, jewelry, belts, buttons, eyelets, musical instruments and decorative objects. The Bronze products include pressure gauge tubes, diaphragms, printery, connectors, terminals, spring-effect contacts, musical instruments. The company was founded on February 13, 1943 and is headquartered in Santo André, Brazil.

Avanco Resources Ltd. is an exploration and development company for iron ore, copper and nickel. It engages in copper production through developing Rio Verde and Pedra Branca Copper projects located in Brazil. The company's projects include Rio Verde Copper, Serra Verde Copper Gold, Conceicao Nickel Platinum, Touro Nickel, and Trindade North Iron Ore. Avanco Resources was founded on July 4, 2007 and is headquartered in West Perth, Australia.