Main production figures of the 2st quarter of 2018: mine production: 209 680 t Δ 106,1% to the business plan, Δ 163,2% to the previous year.   Ore processing: 206 052 t Δ 103,9% to the business plan, Δ 162,5% to the previous year.   Production of lead in concentrate: 2 575 t Δ 101,2% to the business plan, Δ 174,7% to the previous year.   Production of zinc in concentrate: 4 328 t Δ 108,4% to the business plan, Δ 195,0% to the previous year.   Lead concentrate production: 3 982 t ∇ 96,9% to the business plan, Δ 165,5% to the previous year.   Zinc concentrate production: 8 686 t Δ 106,1% to the business plan, Δ 194,0% to the previous year.