We want to buy : Copper ore content >=10% Lead ore lead content >=50% Zinc ore zinc content >=40% Lead slag Copper slag Zinc slag Copper + lead concentrate Zinc +lead concentrate As a trial order we will buy 500MTS and please send FOB, CIF price. Our related plants production is atleast 5, 000 tons per month respectively. We will make the payment through L/C and Delivery is to be done on Huangpu port.Thanks Show More