The deal was largely in line with current spot treatment charges in China, which have soared to $240 a tonne from a low of $12.50 at the start of 2018.
The companies say that their OptiMine Analytics technology is particularly useful when it comes to dealing with failing equipment and regular maintenance.
The Canadian miner plans to expand Cobre Panama, located about 120 km west of Panama City, and 20 km from the Atlantic coast, from 85 million tonnes per year to 100Mtpy beginning in 2023.
