At the level of the National Information Center, what unit is the National Bureau for Letters and Calls?

1. National Information Center (National E-government Extranet Management Center) is a public institution directly under the National Development and Reform Commission of the People's Republic of China.

2. Since its establishment, the National Information Center, under the direct leadership of the National Development and Reform Commission, has taken the mission of developing information resources and serving scientific decision-making, and actively provided decision support services, information technology services and information content services for the government and society.

3. In terms of information content services, the National Information Center has always been an important force in the field of information content services in China, focusing on the actual needs of national economic and social development and aiming at serving the government and society.

4. Information consulting services in automobile, real estate, finance and other fields have gradually formed influential commercial brands in China.

5. 1996, the China Economic Information Network, which was built by using the self-developed private network platform and Internet platform, was officially opened, providing comprehensive, timely and authoritative dynamic information, statistical data and research reports on macroeconomics, industrial economy, regional economy, laws and regulations for government departments, financial institutions, universities, enterprise groups, research institutions and investors at home and abroad, and becoming a first-class information service institution in China.