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In Shanxi Province, Xi called on businesses to make up for lost time with the proper safety precautions in place.

"Cooperation between China and the United States has always been conducted for mutual benefit," he said, adding the two countries have had productive cooperation in such areas as counter-terrorism, non-proliferation and narcotics control, among others.

Xi told a symposium on economic and social work that the pandemic will accelerate the profound changes the world is undergoing, changes unseen in a century.

Spokesman Wang Wenbin made the remarks at a press briefing when asked to comment on reports saying the United States plans to sell arms to Taiwan again.

"If G20 members can take the initiative and strengthen cooperation in this regard, it will not only help us to restore growth but also play an important leading role in the recovery and reconstruction of the world economy," Wang said.