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"China's vehicle market has entered a new era of high-quality development, in which product and service excellence will be the key to sustained growth," said Matt Tsien, GM executive vice-president and president of GM China.

"Cross-infection is the main cause of the epidemics, especially at schools and in enclosed areas."

"Currently, we have built the complete industry chain which is made up of the BeiDou Navigation Satellite System (BDS) basic products, application terminals and systems, and operation services," said Ran Chengqi, director of the China Satellite Navigation Office.

"Cooperation is vitally important for solving all of the challenges the world has faced in the global ecological environment," said Laurent Fabius, chairman of the United Nations Climate Change Conference in Paris, who was invited to the conference.

"Chinese became curious about the place and wanted to visit," he said.