Giuseppe Campanelli, President, Minerals Services, Metso, said the company was proud to have had the opportunity to not only continue, but deepen, its partnership with Sierra Gorda. "We greatly value this relationship as well as the confidence that they have shown in our ability to service such a key piece of their process," he said. Metso has been systematically expanding its service offering in the Chile and Pacific Rim mining markets, with the service organisation's ability to deliver and sustain performance improvements within the mining industry based on this additional focus on maintenance, technology and process expertise.