In last July, a quality audit of the services provided to collaborators was performed in the units of La Zanja, Río Seco, El Brocal, Coimolache, Julcani, Orcopampa, Tambomayo and Uchuchacua, to detect possible improvement opportunities and execute immediate actions, aimed at improving the infrastructure, equipment and quality of the different food, hospitality, housing, clothing, laundry, bathrooms, recreational areas, and water quality services, among others.