China United Network Communications Group Co., Ltd. (English name: China Unicom, abbreviated as "China Unicom" and "Unicom") was formed by the merger of former China Netcom and former China Unicom on June 6, 2009. It has branches in 365 and 438+0 provinces (autonomous regions and municipalities directly under the Central Government) and many overseas countries and regions, which is the only one in China. China Unicom is mainly engaged in GSM, WCDMA and FDD-LTE mobile network services, fixed communication services and domestic and international communication facilities services.

Satellite international private line service, data communication service, network access service and various telecom value-added services, as well as system integration services related to communication information services. On June 6, 2009, the former China United Communications Co., Ltd. and the former China Network Communications Group Company were reorganized and merged, and the new company was renamed as China United Network Communications Group Co., Ltd. In order to distinguish it from China Unicom before the merger, the industry usually called it "New Unicom". China Unicom has a communication network covering the whole country and reaching the world, and actively promotes the broadband of fixed and mobile networks to provide users with all-round and high-quality information and communication services.

On June 5438+ 10, 2009, China Unicom obtained the 3G license of WCDMA system with the most mature technology, the most extensive application and the most complete industrial chain in the world, and has well-known customer brands such as "Wo3G/Wo4g", "Wopai" and "Wo Jia".