SAO PAULO, March 28, 2011 /PRNewswire/ -- CSN - Companhia Siderurgica Nacional (BM&FBOVESPA: CSNA3) (NYSE: SID) announces its results for the 4Q10 and 2010:
Net revenue totaled R$14.5 billion in 2010, 32% up on the previous year and a new record; Gross margin reached 47% in 2010, an 11 p.p. impr