Beijing has designated low-altitude aircraft as a key emerging industry.
The sector is being backed by government policy and regulatory support.
Chinese companies are among the first globally to export flying cars.
Developers say the technology could transform urban transport.

北京已将低空飞机列为关键新兴产业。
该行业得到了政府政策和监管支持的支持。
中国企业是全球最早出口飞行汽车的企业之一。
开发者表示,这项技术可能改变城市交通。