China Daye Non-Ferrous Metals Mining Limited, an investment holding company, engages in the exploration, development, mining, and processing of mineral ores in China, Hong Kong, and the Republic of Mongolia. It explores for copper, gold, silver, iron, and molybdenum deposits. The company holds interests in the Tonglvshan and Tongshankou mines located in Daye City; Fengshan and Chimashan mines located in Yangxin County; and Sareke copper mine located in Wuqia County.

It is also involved in the trading of metals, minerals, concentrates, and building materials; provision of research and development services; and smelting and processing of non-ferrous metals, and gold and silver products. The company is headquartered in Kowloon, Hong Kong. China Daye Non-Ferrous Metals Mining Limited is a subsidiary of China Times Development Limited.