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"China is driving developments in battery technology. It has driven the developments in solar PV. In a whole load of ways it is getting on with things that are going to be central to the future technology of the world. They put together private entrepreneurship, a high savings rate, a state that is willing to invest in infrastructure," he explained.

"But we are also looking at more dire scenarios where the spread of the virus continues for longer and more globally, and the growth consequences are more protracted," she cautioned.

"China is willing to strengthen strategic coordination with the French side to help ensure that the G20 summit can produce positive outcomes," Wang said.

"China has a significant market growth potential of its 5G network and it has been leading the development of 5G. This year, 5G will cover 50 cities, and about 300 cities will get 5G connections next year. In the year after that, the connection is likely to be available nationwide," said Xiang Ligang, a telecom expert and chief executive of industry website Cctime.

"But many people miss the best time to get treated because they do not even realize the existence of the problem."