Companhia Siderurgica Nacional is a Brazil-based company engaged in the steel industry. The Company operates throughout the entire steel production chain, from the mining of iron ore to the production and sale of a range of steel products, including coated galvanized flat steel and tinplate. The Company operates in five segments: Steel, Mining, Cement, Logistics and Energy. The Steel segment focuses on the production, distribution and sale of flat steel, long steel, metallic...