China Unicom is mainly engaged in GSM, WCDMA and FDD-LTE mobile network services, fixed communication services, domestic and international communication facilities services, satellite international private line services, data communication services, network access services 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.