The 4th China Helicopter Expo opened in Tianjin on Thursday. A total of 403 companies from 22 countries and regions are participating in this year’s expo, which is 10 percent more than last year. Some 98 helicopters and 14 simulation models are on display at the expo, including over 20 helicopters for aerobatic shows. The expo will last till Sunday.
The China Helicopter Expo is the only international helicopter expo in China. It is now the second largest expo in the world and the largest in Asia. (Photo/People's Daily Online)