Mineral Mining Demands

There are demands for mineral materials with the following specifications: Lead (Pb) Concentrate HS Code: 26070000 Grade: Pb 40% + Volume: 2,000 – 10,000 tons per month Zinc (Zn) Concentrate HS Code: 26080000 Grade: Zn 45% + Volume: 1,000 – 10,000 tons per month Copper (Cu...