DearWe want to buy Copper Concentrate and Slag scrap.1. Commodity: Cu Concentrate and Slag2. Specifications: Slag(10% Min) or. Cu Concentrate(20% Min) 3. Qty: 1000mt per month, 4. Price: T/T and CNF China Ningbo port.Look forward to receiving your reply as soon as possible Regards Deruji com/J.s,kim Show More