Cajamarquilla

The Cajamarquilla smelter is located in the district of Lurigancho/Chosica in Lima, Peru, and is accessible by road, 99.92% owned by Nexa Resources.

Our Cajamarquilla smelter, which is wholly owned by Nexa CJM, is located in Peru and began operating in 1981. It is currently the largest zinc smelter in Latin America and was the fifth largest zinc smelter in the world in 2023, according to Wood Mackenzie. Cajamarquilla uses Roast-Leach-Electrowinning technology. With a nominal production capacity of 344.4 thousand tonnes of contained zinc per year, Cajamarquilla produced 323.1 thousand tonnes of zinc metal available for sales in 2023 and 332.8 thousand tonnes in 2022. In 2023, 27.2% of the zinc contained in raw material used by Cajamarquilla was sourced from our mines in Peru, 68.5% of zinc contained in concentrates from third parties and 4.3% from secondary raw material.