The Chuquicamata smelter is the company’s, and one of the world’s, largest of its kind. Codelco said closing its processing operations would allow it to focus on the more critical productive ...

Codelco said in a statement that it had carried out scheduled maintenance on the Chuquicamata smelter in December, while maintenance at the Caletones smelter at El Teniente began last month and ...