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Minister of Defense Chang Wanquan called for upgrading the country's defense strategy and commanding the armed forces in line with the law.

In recent years China has sent high-ranking Chinese officials to the conference, in which they have discussed comprehensively with other participants on topics about international security policy, anti-terrorism, regional security situation and global governance, and this has played an important role in enhancing mutual understanding and cooperation, Yang said.

The United States, Obama said, is willing to work with China to maintain the momentum, strengthening practical cooperation in economy and trade, jointly addressing regional and global challenges, and managing their differences.

The premier also called on other countries to ease restrictions on export of hi-tech products; advocate free trade and investment facility; and jointly oppose trade protectionism.

In a message to Indian Prime Minister Narendra Modi, Chinese Premier Li Keqiang said that in recent years, China and India have kept a stronger momentum in joining hands for cooperation and seeking common development.