National Steel Company (Companhia Siderúrgica Nacional)https://pcaobus.org/form-ap-filings/16130/16130National Steel Company (Companhia Siderúrgica Nacional)161301/30/2018 11:22:19 AM2016fdf6d5c0-b427-476b-81ae-049094fa7aa51045Deloitte Touche Tohmatsu Auditores Independentes93003National Steel Company (Companhia Siderúrgica Nacional)1049659SID0104504859Gilberto Grandolpho0104504859True