Purchasing Copper Cathode in large quantities

My business colleagues in Switzerland, Ghana and Ecuador have mandated me to procure a monthly supply of 10 000 Metric tons of pure Copper Cathode from Africa. This team, are international traders and stock owners of ferrous and non-ferrous minerals. The Group is active in the international metals market, and specialize in trading and processing of all grades of ferrous and non-ferrous metals. They are prepared to establish a contract for 12 months with rollovers and escalations up to five years.