Companhia Siderurgica Nacional. The Group's principal activities are to manufacture, sale, distribute and export steel products such as: galvanized steel, flat steel, steel cans and tinplates in the state of Rio de Janeiro. It also deals with mining of iron ore, limestone and dolomite in the state of Minas Gerais. It has strategic investments in railroad, electricity and ports. It also supplies Home Appliances and other products to automobile, civil constriction and packaging sectors. It has rolling mills in Portugal and US.
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