The network subcentre of the Chinese Information System for Economics and Remote sensing is based on a key project of application research, Macro Survey, and Dynamic Research on Remote Sensing for National Resources, conducted by the China Academy of Science in the course of the eighth Five-Year Plan, and Establishment of Dynamic Service System for National Fundamental Resources, and Environmental Remote Sensing Information, the most important one among national key science and technology development projects in the ninth Five-Year Plan. It is combined with integration technologies of information-sharing on sustainable development and has accumulated data resources of surface ecosystems on the land and remote sensing information of land utilization in China. It serves for data searching and accession through metadatabases and other diversified searching tools.

The metadata of spatial data are managed by database operations and enable the users to search by hypertexts. In the graph formulation of some grid data it will do alligatoring processing for some details in diagrams.

The information has two forms of appearance in the subcentre in China Information System for Economies: as statistics or in texts and graphs. Information statistics of macro economics is saved in a database in the format of Microsoft SQL Server 7.0. It forms hypertexts through ASP and is transmitted to Web servers and is released on the web by Microsoft IIS(Internet Information Server). The data quota is about 60MB, which includes:

Annual database of national macro economies
Monthly database of national macro economies
National annual database of regional economies
Monthly database of regional eco-economy
Graphical database of regional economy analysis