CEMOSA, in consortium, started its quality control work in mining for the construction company Gardilcic in the project “Agreement CC-085. Mining Works, Crushing System. Work 206”.

El Teniente is the largest underground copper mine on the planet. This Codelco mine is located in the Comuna de Machalí (Rancagua, Bernardo O’Higgins Liberator Region, Chile), in the middle of the Andes Mountain Range.