Ideal time to upgrade economic bond

Editor's note: The trade volume between China and Russia in the first half of this year was about $50 billion, and is poised to cross $100 billion in the whole of 2018, compared with $84 billion last year. What are the bright spots in Sino-Russian economic cooperation? And what are the prospects of increasing bilateral economic exchanges? Three experts share their views on the issue with China Daily's Liu Jianna. Excerpts follow:

Need to make economic partnership strategic

Zhang Yao, deputy director of the Institute for International Strategic Studies, Shanghai Institutes for International Studies