A summary of Brazilian multi-base metal producer Nexa Resources' production and sales results in 2019 and production and sales guidance for zinc, copper and lead for 2020-2022.
Falling zinc grades in treated ore put pressure on overall mining production in 2019, although 2019 full-year guidance was met for all metals. Zinc metal sales volumes increased on higher contribution from Peru's Cajamarquilla plant, and amid rising zinc treatment...