Chilean copper miner Antofagasta Minerals has begun to settle annual copper concentrate supply contracts with treatment and refining charges (TC/RCs) set at $62 per tonne / 6.2 cents per pound, sources from the company and its smelting customers told Fastmarkets.
The deals, which were concluded with smelters in Japan and China and are for 2020 supply, consolidate a benchmark set by US miner Freeport McMoRan and...