Minsur SA engages in the exploration, exploitation, and processing of mineral deposits. Its products include metallic tin and gold. The company has three Production Units: New Accumulation Quenemari San Rafael (Puno), the Pisco Smelting and Refining Plant (Ica), and the Pucamarca Mine (Tacna). Minsur was founded on October 6, 1977 and is headquartered in Lima, Peru.