Last year's trade figures broke the upward trend seen in recent years, Alacero said.
Internet of things, augmented reality, predictive analysis, automation: BNamericas speaks with the IT point person of ArcelorMittal to learn how the steel and mining giant is relying on technologies to support its digital transformation.
On the other hand, steelmakers Gerdau and Usiminas were among the list of 20 largest financial losses last year.
Vale's net debt fell to US$25.1bn in 2016 from US$25.2bn the year before, with a cash balance of US$4.28bn.
The court's rulings give President Maduro far-reaching powers and dramatically curtails the power of the opposition-controlled national assembly.
Eduardo Cunha, who led the impeachment drive against Dilma Rousseff, was found guilty of corruption, money laundering and tax evasion.
Production was down 17% year-on-year in February.
With the move, Cubatão, the primary areas of which were temporarily halted in 2015 as a cost-cutting measure, improved its cold-rolled production processes.
The JV is based at Gerdau's Pindamonhangaba mill in São Paulo and will supply parts for wind turbine towers starting in 2018.