China Unicom was listed on the new york Stock Exchange on the morning of June 2, 2000. Initial public offering of 2.828 billion shares at HK$ 65,438+05.58 each, raising a total of US$ 5.65 billion. In June, 20001year, China Unicom shares were officially listed on the Hang Seng Index. The stock code of China Unicom is 600050 or zglt.

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China United Network Communications Group Co., Ltd. (hereinafter referred to as "China 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. It is the only telecom operator listed in new york, Hongkong and Shanghai at the same time, and has been selected for many years.

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. 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".

In 20 13, China Unicom started the construction of 4G equipment network and purchased TD-LTE base stations. China Unicom announced the official commercialization of 4G on March 20 14 18.

20 15 On February 27th, China Unicom officially obtained the most widely used FDD-LTE license in the world.