China Unicom—the 3rd-largest wireless carrier in China & the 6th largest mobile provider in the world — offers domestic & international, integrated end-to-end telecommunication solutions. The state-owned company offers global internet access, cloud computing, Internet of Things (IoT), video conferencing, unified communications, content and security services. China Unicom has approximately 349 million wireless customers & over 124 million fixed-line subscribers. Services include mobile broadband, fixed-line broadband, Global System for Mobile Communications (GSM), fixed-line local access, Information and Communications Technology (ICT) services, data communication services and other related value-added services. It operates 5 overseas companies, including China Unicom (Hong Kong), China Unicom (Americas) & China Unicom (Singapore), as well as branches in 31 provinces.