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Country
Standard, reference material is used for measurement process control and reliability evaluation of measurement results, and plays a key role in important fields such as food safety, international and domestic trade, medicine and health, and environmental monitoring. In order to realize the efficient use and sharing of reference material resources in the whole society, the Institute of Chemistry of China Institute of Metrology (formerly the National Reference Material Research Center), with the support of the Ministry of Science and Technology, launched the "National Reference Material Information Service" at the end of 2003.
Country
The national data provide the monthly, quarterly and annual, census regions, departments and international social and economic statistic data. It Offers a variety of file output, watchmaking, drawing, Indicators, visualization charts and geographic information data. To speed up the construction of modern service-oriented statistics, and to better serve the community, on the basis of "China Statistical Database" created in 2008, the National Bureau of Statistics(NBS) established a new statistical database in 2013.