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Due to continued strong demand, the number of passenger planes operating as freighters may even rise in the coming weeks, Pfaff added.

Drones could crash into people, planes or helicopters. There’s also a potential for terrorists to weaponize the aircraft and use them to fly bombs into crowded areas, the firm noted.

Due to the impact of the COVID-19 outbreak, the market price of silkworm cocoons fell this year, but the company purchased cocoons from farmers at the protective price required by government, Liu said.

Driven by the booming mobile internet sector, top Chinese gaming companies saw significant growth in game revenues during the first half of 2017, according to gaming industry consultancy Newzoo's latest global games market report.

Dumas noted that only half of the people with myopia in China have had their vision corrected, while the other half don't wear any spectacles or contact lens at all, which he believes is more a matter of awareness than affordability.