Annual benchmarks for zinc concentrate treatment charges (TCs) have been set at $147 per tonne, a 12-year low, Europe's largest zinc smelter Nyrstar said on Thursday May 3.
At $147 per tonne, the headline TC is the lowest since 2006 and is 14.5% lower than the $172-per-tonne benchmark settled for 2017.Nyrstar did not say at which base price terms had been...