China Unicom (Hong Kong) Limited, an integrated telecommunications operator, provides telecommunications services and telecommunications products worldwide. It offers mobile voice services that enable its subscribers to make and receive phone calls comprising local calls, domestic and international long-distance calls, intra-provincial roaming, inter-provincial roaming, and international roaming; and mobile data, mobile reading, mobile music, WO app store, SMS, personalized ring-back tone, and other wireless information services. The company also provides fixed-line broadband access, data communications, fixed-line voice, fixed-line voice value-added, and fixed-line other services. In addition, it offers bundled services that integrate mobiles and fixed-line services in a service package; and Internet data center, cloud computing, big data, Internet-of-things, information technology, and other services. Additionally, it provides telecommunications network construction, planning, and technical consulting services; consultancy, survey, design, and contract services for information and construction projects in the telecommunications industry; Internet information, e-payment, telecommunications networks leasing, magazine publishing, project consultation and management, and property management services; advertising design, production, agency, and publication services; and technology development, transfer, and consulting services. The company also offers customer, data processing, and tourism and information services, as well as engages in the financial services, auto informatization, and venture capital investment businesses; and sells mobile handsets, fixed-line terminals, and accessories. As of December 31, 2017, it had 284.16 million mobile billing subscribers and 76,539,000 fixed-line broadband subscribers. 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.