Negotiations over the past two months between the company and its powerful workers' union over a new labor contract have been conducted in utmost secrecy.
While producer profits are booming thanks to high prices fueled by the pandemic recovery, their operations are paying the price of covid-fighting measures.
A leadership team headed by centrist legislator María del Carmen Alva from the Popular Action party won by 69-to-10 votes against a rival grouping led by retired military man Jorge Montoya.