Compañia de Minas Buenaventura S.A.A. , Peru’s largest publicly-traded precious metals mining company, today announced preliminary 1Q18 production and volume sold results as well as 2018 operating guidance . 1Q18 Production per Metal and 2018 Operating Guidance 1Q18 2018 Gold Orcopampa 39,987 190k - 210k Tambomayo 33,693 110k - 130k La
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