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China's air passenger volume reached 552 million in 2017, a 13 percent increase year on year. The country is forecast to surpass the United States to become the world's largest civil aviation market by 2022, according to a report by the International Air Transport Association.

China's biggest electric carmaker BYD launched an unmanned driving system for its monorail train in Yinchuan, capital of the Ningxia Hui autonomous region, on Wednesday. The system will be officially put into use in the second quarter of 2018.

China will further reduce the market access threshold in automaking and welcomes German companies to expand investments in high-tech sectors, including self-driving cars, Premier Li Keqiang said at a self-driving exhibition on Tuesday in Berlin, his last stop before heading back to China.

China will play a paramount role in the global green-bond market as the country needs the financing channel to provide capital for environmental improvement projects, analysts said.

China's central authorities has announced a grand plan to build the country's tropical resort island into a pilot international free-trade zone and a major port with the new policies that are expected to boost investment and growth in a wide range of sectors including agriculture, tourism, finance, sports and entertainment.