Looking for copper oreCopper Concentrate:Cu - 20%-45%;Moisture: 5% maxSize: within 200 meshIf the size of the goods is larger than 200 mesh, the payment proportion will be renegotiated.2. With typical assays as below:Chlorine(Cl): 0.5% maxCadmium (Cd): 0.05% maxFluorine (F): 0.1% maxMercury (Hg): 0.01% maxArsenic (As): 0.5% max Lead(Pb) +Zinc(Zn): 6% max