China and Russia on Tuesday inked three deals on oil and natural gas cooperation during Russian President Vladimir Putin's visit to China.

Russian President Vladimir Putin waves after arriving at Beijing International Airport March 21, 2006. Russia and China aim to more than double bilateral trade by 2010, officials from both countries said, during a trip to China by President Vladimir Putin that will focus on deepening energy cooperation. Putin is visiting China March 21-22. [Reuters]

Chinese President Hu Jintao and Putin witnessed the signing of the three documents and other 12 cooperation documents.

The three documents include a principled agreement between the China National Petroleum Corp. (CNPC) and the Russian oil company of Rosneft for forming joint ventures on further oil cooperation, a memorandum of understanding between CNPC and Russia's natural gas company Gazprom for natural gas supply to China, and a summary of negotiations between CNPC and Transneft, a pipeline transport company of Russia.