KOBE, Japan Nov 15 (Reuters) - The world's leading copper producer Codelco has cut its 2017 term premiums to China by more than a quarter, an executive at the Chilean company said, reducing them to ...

KOBE, Japan Nov 15 (Reuters) - Codelco has cut its term premiums for 2017 copper supply contracts in China by more than a quarter to $72 per tonne, a senior executive said on Tuesday, the lowest level ...

CALAMA, Chile, March 1 (Reuters) - Beneath the world's largest open-pit copper mine in Chile lies a tunnel complex filled with dust so dense that machines frequently break down and workers can't ...