Top 10 Largest Platinum Mining Companies in the World (2018)
5/3/2018· Vale SA is a Brazilian multinational corporation engaged in metals and mining industry, it is the world''s secondlargest mining company, the largest producer of iron ore and pellets and the secondbiggest nickel producer. As many nickel ores also contain PGMs, Vale is able to extract platinum as a byproduct of its nickelrefining process.