The fifth China Helicopter Exposition takes place in Tianjin from October 10 to 13. Ninety helicopters from 18 countries and regions are on display. Six air shows are scheduled during the 4-day Exposition. A fleet of China's most advanced helicopters joins the airshow, including the Z-20, Z-10 and Z-19 from the PLA Army and domestically-developed AC313 and AC312e.