Please quote for the following wholesale product requirement - Product Name: Copper Concentrate Specifications : Copper Concentrate = 15%, Sulfur = 25% Quantity Required : 500 - 5000 Metric Ton/Metric Tons Shipping Terms : CIF Destination Port : Lianyungang, China Payment Terms : T/T For Trial Order And Later L/C Looking for suppliers from : Worldwide Contact : Daly Lee