China Unicom (Americas) Operation Ltd. (“CUA”) is a wholly owned subsidiary of China Unicom Global, headquartered in Herndon, ... Virginia with regional sales offices including Los Angeles, New Jersey and São Paulo (Brazil). Leveraging China Unicom Global’s extensive global network coverage, we offer reliable end-to-end global integrated telecommunication services and solutions, including global connectivity services, global internet access, ICT services, cloud, internet of things (IoT), video conferencing, unified communications, content and security services, and provides personal customers with premium voice and mobility services. read more