EC21 Buying Leads Catalogs - mineral concentrates

We Buy Zinc Ore Concentrate

20190715

We are looking for reliable and capable Supplier/miner who can produce and export Zinc Ore Concentrate. 1. Item: Copper

20160615

Dear Sir, We are looking for Tin concentrates(Sn>60%,Fe<5%,S,Sb,As<1%) supplier,please make an offer with the COA to u