The 5th China Helicopter Exposition opened Thursday in northern China's Tianjin Municipality, highlighting international market-oriented cooperation.
Xinhua丨Updated: October 11, 2019
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Visitors view an exhibit during the ongoing 5th China Helicopter Exposition in north China's Tianjin, Oct. 10, 2019. The 5th China Helicopter Exposition runs from Oct. 10 to 13. [Xinhua]