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China accomplished all the major tasks of its five-year clean air action plan in 2017, but challenges remain. About 70 percent of the country's 338 prefecture-level and bigger cities didn't meet national standards for PM2.5, PM10, sulfur dioxide and nitrogen dioxide last year.

China and the United States pledged in their phase-one trade agreement on Wednesday to accelerate two-way opening of the financial service sector. [Photo/IC]

China United Airlines will launch 18 new air routes, taking its total to 90, covering 78 domestic cities, said Zhang Ningwei, general manger of its ground service department.

China announced plans to establish Xiongan New Area on Saturday, as part of measures to integrate Jing-Jin-Ji development and cure "urban ills" such as traffic congestion and air pollution in the capital.

China and Norway launched their free trade agreement negotiations in 2008 in order to further deepen bilateral relations and cooperation in economy and trade, promote the economic development of the two countries, and improve the living standards of the two peoples.