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In late May 2006, through Zimplats Holdings' first phase of long-term expansion of the mine, a total investment of 258 million US dollars was developed, of which 69.5 million US dollars was used to replace the open-pit production system. Open up two new mining tunnel, in Enge Zi (Ngezi) building capacity of 15 million tons / year of ore dressing plant, is expected to three years to complete. Platinum production is expected to increase from 90,000 ounces per year to 160,000 ounces per year, and production of platinum, palladium , rhodium and gold will increase from 185,000 ounces per year to 322,000 ounces per year, and nickel production will increase from 1,540 tons per year to 2,900 tons / year. The mine uses open-pit to tunnel combined mining methods and uses floatation for beneficiation. The ore reserves/resources are 250.5 million tons, and the average grade is 3.52 g/ton of platinum group metals. Zempras Property Company owns 70% of the shares and Impala Platinum owns 30%. (Source: Resource Network)