Oil
Crude oil is the most prominent export product for Chad’s economy. Chad ranks as the tenth-largest oil reserve holder among African countries, with 1.5 billion barrels of proven reserves as of January 1, 2013, according to the Oil and Gas Journal.
Minerals
The country also exports gold, uranium.
Agricultural Products
The other major export is cotton, livestock–cattle, sheep, goats, and, camels–driven to market or skins shipped to market in neighboring countries, particularly Nigeria.
Fish
Chad also sells smoked and dried fish to its neighbors and exports several million dollars worth of gum Arabic to Europe and the United States each year.
The US is the largest trade partner, accounting for almost 90% of the Chad exports, followed by China and France.
Sources
http://www.eia.gov/countries/country-data.cfm?fips=cd
http://www.tradingeconomics.com/chad/exports
http://www.economywatch.com/world_economy/chad/export-import.html