exports of civilian drones from shenzhen in 2015 grew to 3.09 billion yuan (us$472 million), a sevenfold increase over 2014, customs data showed.
the city's civilian drones were mainly exported to hong kong, north america and europe, according to shenzhen customs. the monthly exports jumped from 130 million yuan in january 2015 to 450 million yuan in december.
shenzhen produces 99 percent of civilian drones for export. the drone industry is one of the city's priority sectors.
shenzhen-based dji, a leading manufacturer of commercial and recreational drones, holds almost 70 percent of the market share worldwide, with europe and north america its biggest customers.