China Unicom (Hong Kong) Limited is an investment holding company. The Company, along with its subsidiaries, provides cellular and fixed-line voice and related value-added services, broadband and other Internet-related services. It has two business segments. The Mobile Business segment provides global systems for mobile communications (GSM) and wideband code division multiple access (WCDMA) cellular business in 31 provinces, municipalities and autonomous regions in China. The Fixed-line Business segment provides fixed-line telecommunications and related services, domestic and international data and Internet related services, domestic and international long distance and related services in all 31 provinces, municipalities and autonomous regions in China.