Zinc Concentrate High Grade Quality Competitive Price Good service Zinc Concentratezinc content 20%-80%Origin Europe SpecificationZn >48.84%Pb >10.88%Cu 2.4%+/-1%Sn 1.07%+/-1%CERTIFICATE OF ANALYSISCuSnPbZnClSAsCdH2OFeSiO2%%%%%%%%%%%6.884.8212.735.74.421.80.090.181.11.41.16.074.7112.737.54.131.80.10.1711.80.75Product Description1. Produce by flotation process; 2. We can offer Zinc contation 45% ...