SAO PAULO (Reuters) – Brazilian steelmaker Companhia Siderurgica Nacional (CSNA3.SA) has employed banks to handle the preliminary public providing of its mining unit CSN Mineracao, newspaper Valor Economico reported on Tuesday. Bank of America, XP Inc, Banco BTG Pactual SA and Morgan Stanley will handle an providing that may increase 10 billion reais ($1.81 billion), the report stated, citing nameless sources. Because the starting of this yr, CSN’s executives have been saying they deliberate to revive the IPO of CSN Mineracao, which incorporates the iron ore mine Casa de Pedra. Shares in CSN closed the buying and selling day up 1.99% at 14.84 reais, after beginning the day down 2.2%. CSN didn’t instantly reply to a Reuters request for touch upon the matter. Reporting by Carolina Mandl; Modifying by Cynthia OstermanOur Requirements:The Thomson Reuters Belief Ideas.