Dear Sir, Please see below my purchase requirements.1.- Name of the Product: COPPER ORE Specifications: Copper?%,Cl0.5%,Cd0.05%, Hg0.01%,Pb+Zn6%2.-Name of the Product: LEAD ORESpecifications: Lead?g0.01%, F0.1%3.-Name of the Product: ZINC ORESpecifications: Show More