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"China's central to global supply chain, central to global trade, playing a major role and is the largest producer in the world," said Roach, adding "it is encouraging to see there are signs of revival in production" after the nation experienced about two months of tight control over its economy in an effort to contain the COVID-19 outbreak.

"Congress needs to take action now that will ensure our Postal Service can continue to deliver for America through this pandemic," House Majority Leader Steny Hoyer said.

"Creating new scientific theory and discovering new phenomena and effects are the crown jewels of fundamental research," Xue said. "The discovery of the quantum anomalous Hall effect represents a major contribution by Chinese physicists to humanity's treasure trove of knowledge."

"China will continue to export consumer goods in exchange for Germany's high-tech products such as electronic and chemical products, construction machinery, vehicles and parts, medical equipment and pharmaceutical products," said Yu Jianlong, secretary-general of the China Chamber of International Commerce.

"Chinese students alone contribute billion, alongside countless other benefits, so even a modest reduction in Chinese enrollment would be devastating," she said.