Yunnan Copper Co.,Ltd is principally engaged in the production and sale of copper concentrates and precious metals and related products, as well as chemical products. The Company's main products include electrolytic copper, copper bars, sulfuric acid, precious metals and iron are concentrate, among others. During the year ended December 31, 2010, the Company produced approximately 326,400 metric tons of refined copper, 596,600 metric tons of sulfuric acid, 8,822 kilograms of gold and 350.05 metric tons of silver. The Company operates its businesses mainly in the domestic markets.