China Daye Non-Ferrous Metals Mining Limited, an investment holding company, engages in the mining and processing of mineral ores in China, Hong Kong, Kyrgyzstan, and the Republic of Mongolia. The company explores for copper, gold, silver, iron, and molybdenum deposits. It is also involved in the trading of non-ferrous metals; provision of research and development services; and smelting and processing of non-ferrous metals,