The company lowered its cost guidance for 2018, while pledging to produce more gold and silver this year, as nine-month cumulative production rose to a record level.
Regardless of who wins the October 28 runoff, Vale's CEO Fabio Schvartsman reportedly told a seminar in Rio de Janeiro that the company will certainly try to pass on the importance of trade relations with China to the next president.
Companies report the latest output figures for zinc, lead, silver, copper and gold mines and plants in Honduras, Colombia and Peru.
Companies issue option, financing and management updates relating to gold, silver and copper projects in Chile and Mexico.
The dispute dates back to a port accident in 2013 and involves a claim of more than US$200mn.
The case will probably end up in arbitration, said the head of Corfo.