Our company is looking for 1x20?FCL Copper carbonate basic (CAS# 12069-69-1) on CFR Saint – Petersburg (Russia) basis with the following specification: Assay (CuCO3 Cu(OH)2) - 96% min Insolubles in hydrochloric acid matter - 0.2% max Nitrogen (N) - 0.03% max Sulfates (SO4) - 0.05% max Chlorades (Cl) - 0.01% max Iron (Fe) - 0.05% max If you are in position to supply it, please make us an offer including the following details: Your best price for CFR Saint – Petersburg (Russia) the detailed specification you could guarantee and put into the contract the packing details the normal loading of 1x20?FCL Delivery time