China United Network Communications Group Co., Ltd. (referred to as "China Unicom") was formed on January 6, 2009, through the merger and reorganization of the original China Netcom and China Unicom. The company has branches in 31 provinces (autonomous regions, municipalities directly under the central government) in China and multiple countries and regions overseas, as well as more than 130 overseas business access points. It has a modern communication network covering the whole country and reaching the world, as well as a global customer service system. At present, the user base of "Da Lian" exceeds 850 million. China Unicom firmly shoulders the social responsibility of central enterprises and strives to be the "new engine" that empowers social and economic transformation. The company fully leverages the advantages of big data and communication network technology to promote the development of the digital economy and the upgrading of information consumption, assist in the transformation of new and old driving forces of economic development, effectively enhance the satisfaction and sense of access of users to information and communication services, and enable the whole society to further enjoy the new achievements brought by the development of information and communication.