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Company founder Zhang Lei, who graduated from Beihang University with a major in flight vehicle design and engineering, says the most cost-efficient delivery is "nature's path" - the air.

Compared with shared bikes with docking stations, dockless bikes allow users to simply pick up or park a bike anywhere on the street, instead of at designated docking points.

Commercial Aircraft Corp of China (COMAC), its manufacturer, said the C919 aircraft will enter a new stage of intensive test flights and research and development. The aircraft model will face the challenges of taking some highly risky test flights including those under complicated weather conditions.

Companies that refuse to pay may be forced to make compulsory payments, according to the draft.

Condemning the violence and saddened by the injuries and deaths of innocent people, the embassy statement urged the parties to ensure lives and property safety of residents of the border area.