A CJ-5 plane is seen in the picture at the State-run Hongdu Machine Factory. It is the first Chinese-developed airplane. Saturday marks the 70th anniversary of China's aviation industry. (Photo: Xinhua)

China's J-20 stealth fighter jet. On April 17, 1951, China's aviation industry was launched, when the Decision on Building the Aviation Industry was issued during the Korean War (1950-1953).

China's J-20 stealth fighter jet. Starting from nothing, generations of researchers and workers devoted themselves to the great cause. From repairing and imitating to independent research and development, China's aviation industry became larger and stronger and achieved countless firsts.

China's J-20 stealth fighter jet. The J-20 fighter jet, Y-20 transport plane and Z-20 utility helicopter make their debut.

China's Y-20 strategic transport aircraft.

China's Y-20 strategic transport aircraft.

China's Y-20 strategic transport aircraft.

China's Z-20 utility helicopter.

China's Z-20 utility helicopter.