we need 500-1000MMT per month, Zn: Min 30%, we have two smelting plant, If the quality is reliable, we will increase the import quanlity. Please give us offer as per the following items: 1.Zn content 2.Impurity content 3.Price 4.Payment 5. Discharge port: CHongqing port or other Chinese port,China 6 .Inspection