Trade Database

• WTO Statistics Database (WSDB).
• World Input-Output Database (WIOD).
• UN Comtrade. 
• World Integrated Trade Solution (WITS)-Product Concordance.
• HS to BEC conversion table (by United Nations).

Geography Database (GIS)

• China Map Data (Harvard)
• Nightlight Database.
• GIS Data Collections.
• GADM maps for all countries.
• The World Bank Urban Expansion Data 2000- 2010.

Others

• Chinese Patent Data Project (CPDP).
• China Land Market.
• World Development Indicators (World Bank).