More than 280 helicopters were sold at the China Helicopter Exposition 2015 in the northern city of Tianjin.
The event, which ended on Sunday, attracted 366 enterprises from the industry home and abroad, including 163 overseas enterprises, according to the organizer.
More than 19,000 industry professionals and some 72,000 public visitors attended the four-day event.
Specially, AC352, AC31...