China Unicom (Europe) Operations Limited (referred to as CUE) is a wholly-owned subsidiary of China Unicom International Corporation established in the UK in 2006. It has branches in Germany, France, the Netherlands, Switzerland, Austria, Sweden, Hungary and Romania. Backed by the strong support of China Unicom Group and its world-leading network infrastructures such as the world's first WCDMA network, the world's second FDD-LTF network, the GAM network, and a global network of submarine cables and services. CUE works closely with multiple international operators to provide customers with integrated information services in China and globally, this includes video call, global connectivity, internet access, content distribution, cloud networking, data centers, call centers, information security, Internet of Things, and ICT system integration, IT consulting and ICT solutions for operation and maintenance.