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"From charging point to charging gun, and now to high-voltage connector, the change in the circuit system has posted new requirements for the materials used," he added.

"Generally speaking, the current interest rate level is appropriate in China," Yi Gang, the central bank governor, told Caixin Magazine in an interview published on Tuesday.

"From this perspective, it shares some similarity with the efforts by other central banks around the world to help small businesses and employment during the coronavirus crisis, such as the Main Street Lending Program and the Paycheck Protection Program Liquidity Facility by the Federal Reserve in the United States," said Shan.

"For example, senior directors at the Massachusetts Institute of Technology hosted a welcoming banquet in person; The University of California, Berkeley, played the Chinese national anthem and The East Is Red (another famous Chinese song) in honor of the delegation; The University of Texas learned the arrival of the delegation from newspaper and invited them for a visit and exchange," Sun said.

"Green production is necessary for a sustainable development of agriculture, to ensure China's food security and to modernizing China's agriculture," he said.