largest copper companies in the world
These three facilities have a combined annual capacity of 1.5 million metric tonnes. Codelco, not surprisingly, is the world's largest producer of copper. In 2014, the company produced nearly 400,000 tonnes more copper than the world's second largest producer, Aurubis. Flash-continuous technology is used in more than half of all refinieries (about 70 percent), while world refinery capacity utilization in 2013 was estimated to be nearly 80 percent.