China Unicom (Hong Kong) Limited, an investment holding company, provides cellular and fixed-line voice, and related value-added services in the People's Republic of China. It also provides broadband and other Internet-related, information communications technology, and business and data communications services. In addition, the company offers communications technology training, technical, and Internet information and value-added telecommunications services; telecommunications network construction, maintenance, and technical services; and consultancy, survey, design, and contract services relating to information and construction projects. Further, it provides customer, project design consultation and monitoring, property management, e-payment, venture capital investment, communications technology development and promotion, auto informatization, financial, data processing, and tourism and information services; advertising design, production, agency, and publication services; technology development, transfer, and consulting services; and technology promotion service of intelligent transportation system's products. Additionally, the company offers technology research and development, consultation, and services of TV video and mobile video; internet of things technology, and online data processing and transaction services; and big data, and cloud computation and infrastructure services. It also provides online video and reading materials; finanece leasing; and data analysis, processing, and application services, as well as sells handsets and telecommunication equipment. The company was incorporated in 2000 and is based in Central, Hong Kong. China Unicom (Hong Kong) Limited is a subsidiary of China Unicom (BVI) Limited.