VANCOUVER, BC / ACCESS Newswire / May 6, 2026 / CoTec Holdings Corp. (TSXV:CTH)(OTCQB:CTHCF) ("CoTec" or the "Company") ...

America needs to get serious about copper. Our nation mines copper but ships it to China for processing, a supply chain failure that has become a national security vulnerability, because copper is ...

HANOI/BEIJING, March 5 (Reuters) - Fees to process copper concentrate in China, which have plummeted to their lowest level in over a decade due to short supply, could recover in the second quarter ...

BEIJING/SINGAPORE (Reuters) -Some Chinese smelters have agreed to process copper from Chilean miner Antofagasta for no charge, a record low for the industry, but the outcome was better than expected ...

Copper smelting is an intricate high‐temperature process that converts copper concentrates into purer metallic copper through a series of chemical and thermal reactions. Central to modern smelting ...

First Quantum Minerals Ltd. said it has been forced to stop processing copper at its giant mine in Panama after the government blocked it from loading the metal at a port in the country. The move ...

TOKYO (Reuters) -Japan, Spain and South Korea issued a rare joint statement on Wednesday expressing deep concerns over tumbling copper treatment and refining charges (TC/RCs), warning both smelters ...

Mining of mineralized material had commenced (Figure 1). Material was being stockpiled in advance of the completion of the leach pads (Figure 2). Leach pad Phase-1 was complete. Phase-2 leach pad was ...