Compañía de Minas Buenaventura S.A.A. (BVN) is involved in the exploration, mining development, processing, and trading of precious and base metals. The company searches for gold, silver, lead, zinc, and copper. Its operational mining units include Tambomayo in the Caylloma province, Orcopampa Unit in the Castilla province, Uchucchacua in the Oyón province, Julcani in the Angaraes province, and San Gabrie in the General Sánchez Cerro province within the Moquegua region of Peru. The company also holds interests in Colquijirca, La Zanja, Yanacocha, Cerro Verde, El Brocal, Coimolache, Yumpaq, San Gregorio mines, and the Trapiche mining unit. Additionally, it produces manganese sulfate monohydrate and other by-products derived from minerals and operates hydroelectric power plants. Established in 1953, Compañía de Minas Buenaventura S.A.A. is based in Lima, Peru.