Databases include monthly and annual macro-economy, monthly economic development, city statistics, county statistics, and industrial data. The University of Michigan's China Data Center provides access in Chinese and English to official statistics from China.
MarketLine country reports provide a good overview of a country and its business climate. Choose "China" from the Geography tab, then choose Country Profiles under the Content Type tab. See also industry reports by country.
Reports on 195 countries and geographical areas that discuss various aspects of trade and relations between the country in question and the US. Also includes links to reports from various other governmental agencies.