Iran exported over 8.5 million tons of crude oil in the first four months of 2011, up 32 percent compared with the same period last year, according to the latest report of the China Customs Organization-MNA reports.
Saudi Arabia , Angola and Iran were respectively the three main oil suppliers to China in the mentioned period, according to the report.
Saudi Arabia exported more than 16.3 million tons of oil. Angola was the second oil supplier to China with 10.7 million tons of exports.