President Hu Jintao talks to students during his visit to a middle school in Moscow on Tuesday. During his trip to the Russian capital, the two countries signed a joint statement in which they pledged to further develop their strategic partnership. An exhibition in Moscow featured more than 15,000 products from China, and Chinese and Russian enterprises signed 21 agreements and contracts worth US$4.3 billion. The Chinese president was scheduled to end his three-day trip to Russia yesterday after a stop in the republic of Tartarstan, 750 kilometers east of Moscow. - Xinhua