National Geomatics Center of China (NGCC), also functioned as National Archives for Surveying and Mapping, is a government agency attached to National Administration of Surveying, Mapping and Geoinformation of China (NASG). NGCC fulfills the missions to construct, manage and distribute national fundamental data and archives; plan, design, organize and execute national major surveying and mapping projects; maintain surveying and mapping networks in China; develop applications of national fundamental Geo-information. NGCC has led the development of GlobeLand30, a Landsat-based global land cover map at 30m resolution available for the years 2000 and 2010.