Fastmarkets' copper concentrate treatment charge/refining charge (TC/RC) index continued to rebound this week with Chinese smelters carrying on purchasing in the mid-to-high $30s and 3 cents, sources told Fastmarkets.
Fastmarkets copper concentrate TC index, cif Asia Pacfic was at $29.70 per tonne/ 2.97 cents per lb on May 21, its highest level since March 5.Bids came in...