President Hu Jintao will begin a three-nation tour to Kyrgyzstan, Kazakhstan and Russia August 14-18, to attend the Shanghai Cooperation Organization summit (SCO) and observe the SCO joint anti-terrorism military drill in Russia, the Foreign Ministry said yesterday.

The seventh SCO summit will be held in Bishkek, capital of Kyrgyzstan on August 16. Heads of states of the six members and four observers are expected to participate in the conference.

Kyrgyz Foreign Ministry said the treaty on long-term friendship and cooperation among SCO members - Kazakhstan, China, Kyrgyzstan, Russia, Tajikistan and Uzbekistan - is a key document to be signed during the summit.