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It adds that by observing the principles of combining peacetime and wartime demands, maintaining all time vigilance and being action-ready, the PLA Second Artillery Force will prefect the integrated, functional, agile and efficient operational duty system.

Following the direction the two leaders have set and key areas of cooperation they have established, China is willing to promote steady progress in China-Russia relations, Yang said, adding that China will fully support Russia's efforts to hold the BRICS and SCO summits in Ufa, the capital of Russia's Republic of Bashkortostan, in July.

SINGAPORE, May 31 (Xinhua) -- China has actively fulfilled its international responsibilities and obligations and played a constructive role in safeguarding regional and international security and stability, a senior Chinese military official said here Sunday.

"China encourages its companies to invest and set up business in Serbia," Zhang said.

Meanwhile, the SCO countries spoke highly of the efforts made by Iran and the P5+1 group that includes Britain, China, France, Russia, the United States and Germany, with the participation of the European Union in a bid to reach a comprehensive agreement to solve the Iran nuclear issue, said the document.