Companhia Siderúrgica Nacional, together with its subsidiaries, operates as an integrated steel producer in Brazil and internationally. It operates through five segments: Steel Industry, Mining, Logistics, Energy, and Cement. The Steel Segment offers produce and sells of flat and long steel. The Mining Segment engages in extraction, processing and marketing of iron ore, tin, limestone, and dolomite. The Logistics Segment supplies railways, port concessions, and road fleet. The Cement Segment produces and sells bagged and bulk cement, as well as aggregates, concrete, and other products. The Energy segment is involved in generation and commercialization of energy originating from renewables. It offers flat steel products, such as hot and cold rolled, galvanized, galvalume, pre-painted, and m…