Telecom Digital Holdings Limited, an investment holding company, engages in the telecommunications and related businesses in Hong Kong and the People's Republic of China. The company operates through Product business; Operation services; and Property investments segments. It offers electronic devices, other consumer goods and related services; and operation services. The company also provides installation, maintenance, and management services for paging transmission stations; technical support services; paging and other telecommunication services; distribution services; and management consultancy and professional services. In addition, it is involved in e-commerce business; trading of telecommunications products; and invests in properties. The company was founded in 1974 and is headquartered in Kowloon Bay, Hong Kong. Telecom Digital Holdings Limited is a subsidiary of CKK Investment Limited.