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"But there are still no consolidated business regulation and technical specifications for code scanning payment. There will also be risks in the process of generating and transmitting codes," said the central bank.

"Cars are increasingly viewed as a high-tech device rather than merely a means of transportation," said Wu. "This is increasingly fueled by the advent of 5G, artificial intelligence and internet of things technologies."

"By building the intelligent industrial park, we are aiming to become the industrial leader in manufacturing of new energy vehicles," said Feng.

"China and the United States are the two largest economies in the world…managing their relations effectively, instead of pointing fingers and exerting pressure on one another, is of great concern to everyone," he said.

"China has said many times that it is never eager to take part in a trade war, but it is not afraid to participate if necessary. China will firmly defend its legitimate rights," he said, adding that the country will enhance cooperation with its global trading partners and firmly defend free trade principles and a multilateral trade mechanism.