@Sataris - The increase in exports to China in December 2010 was mostly accounted for by increases in industrial machines; civilian aircraft, engines, equipment, and parts; and raw cotton. For 2010 as a whole, the U.S.' largest export increases to China were in passenger cars, industrial machines, soybeans, copper and raw cotton. You can get country by product breakdowns here: http://censtats.census.gov/naic3_6/naics3_6.shtml