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Before delivering the 90-seat aircraft to the three airlines, COMAC made full preparations for follow-up operations in terms of staff training, aviation material arrangement and support for maintenance, repair and intime monitoring, Zhang said.

Beijing Daxing will open new air routes to five cities on the Chinese mainland, including Ankang, Shaanxi province, and Ganzhou, Jiangxi province.

Beijing residents once found it hard to properly dispose of electronic waste, such as used mobile phones and television sets. Now they have no such concern and can even get paid for recycling their old home appliances and electronics.

Beijing and nine other provincial regions in northern China were hit by dust and sand Wednesday, with PM10 readings approaching 2,000 micrograms per cubic meter in Beijing.

Before the plenary meeting, executive chairpersons of the presidium of the first session of the 13th NPC held their third meeting Sunday morning, followed by the fourth meeting of the presidium, both of which were presided over by Li Zhanshu.