Cajamarquilla
Smelter
Zinc
Principal Refined Products
Metallic zinc
Plant Capacity
344.4 ktpy
Ownership
99.92%
Location
Peru
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 2024, 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 334.1 thousand tonnes of zinc metal available for sales in 2024 and 323.1 thousand tonnes in 2023. In 2024, 31.1% of the zinc contained in raw material used by Cajamarquilla was sourced from our mines in Peru and 68.9% was purchased from third parties or obtained from secondary feed materials.
| 2023 | 2023 | 2022 | ||
|---|---|---|---|---|
| Production | kt | 334.1 | 323.1 | 332.8 |
| Zinc Recovery | % | 94.4 | 93.8 | 94.7 |
| Sales | kt | 327.0 | 326.4 | 340.4 |
| Conversion cost | US$/lb | 0.27 | 0.28 | 0.27 |
| Cash Cost, net of by-product credits | US$/t | 2,465.8 | 2,281.7 | 2,819.5 |
| Cash Cost, net of by-product credits | US$/lb | 1.12 | 1.03 | 1.28 |
| CAPEX | US$ mm | 45.7 | 35.0 | 45.3 |