Codelco confirms key mine roaster operating at 90 pct capacity
July 23, 2014 at 16:20 PM EDT
SANTIAGO, July 23 (Reuters) - World number one copper producer Codelco confirmed on Wednesday that a key piece of roasting equipment at its Ministro Hales mine was operating at 90 percent capacity, following a start-up delay that a source had said was the cause of canceled copper sales to China.
