Sierra Metals is a mining company focused on the production, exploration and development of precious and base metals in Peru and Mexico. Co. has mining properties at several stages of development and manages its business on the basis of the geographical location of its mining projects. The Peruvian operation includes the Yauricocha mine in Yauyos Province, Peru and its near-mine concessions. The Mexican Operation includes the Bolivar mine in Chihuahua, Mexico and the Cusihuiriachic property in Chihuahua, Mexico, their near-mine concessions and the Mexican exploration and early stage properties.