Nexa’s Cajamarquilla Zinc Smelter Gradually Resumes Operations, Q2 Refined Zinc Output Impact Estimated at 7,000 mt

Published: Jun 1, 2026 17:14

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On May 29, Nexa Resources said its Cajamarquilla zinc smelter in Peru is gradually resuming production following the incident reported on May 13. the electrolysis lines are now fully operational, while one casting line has been back in operation and is currently producing zinc bars. Nexa plans to restart the second casting line within the next few days, followed by the final casting line by mid-June. As a result of the temporary disruption, Nexa estimates a refined zinc production impact of approximately 7,000 mt in Q2 2026, equivalent to around 2% of annual production. The company expects to recover the lost output during H2 2026 and has kept its 2026 sales guidance unchanged. No material financial impact's expected from the incident, with the cause remain under investigation.

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