Yanzhou Coal Mining Company Limited is engaged in underground mining, preparation and the sale of coal. The primary customers of the Company include electric power plants, metallurgical producers and other customers located in Eastern China, and foreign enterprises located in East Asia. As of December 31, 2001, the in-place proven and probable reserves of Yanzhou Coal's six coal mines totaled an estimated 2,046.9 million tons. The Company produces low-sulphur coal capable of yielding a product with a controlled ash content as low as 6%. Yanzhou Coal's products consist principally of thermal coal, which is suitable for large-scale electric power generation, as well as coking coal, which is used in metallurgical production.