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"China commits itself to opening up wider and deeper to promote common development across the world," he said.

"China has aimed at science and technology innovation and added R&D investment for years, which aligns with S&T breakthroughs. However, there is no direct link between R&D investment and the increasing number of patent applications. China's great input－such as in aerospace and military industry－is hardly apparent in the patent numbers," Zhang said.

"But we are aware the coronavirus situation is changing by the hour," she added.

"By disregarding truth and repeating lies time and again, the US has left itself in deficits of morality, credibility and reputation," Foreign Ministry spokesman Geng Shuang said.

"By working with the host countries, we have already begun to issue early warning information regarding national trade and investment credit risks and a legal policy service guide, as well as help companies understand and pre-examine the actual situation, to effectively avoid and properly respond to potential business risks and policy changes," he said.