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China and Canada are both important countries in the Asia-Pacific region, complementary in their economies and sharing a strong friendship, Li said.

For his part, Macri said Argentina-China relations have huge potential for development. He thanked the Chinese side for its strong support in areas including infrastructure construction, financial stability and economic reform.

At the same time, the basis for the positive trend of China's economy is not solid yet, the premier said, attributing the situation to the world economic downturn and market fluctuation.

"We hope the U.S. will respect basic facts when talking about the feelings of smaller nations," he said, suggesting the United States sign and ratify the convention as soon as possible to give its words on international law more force.

Liu is here on a three-day official visit to New Zealand starting on May 24.