Visitors watch a helicopter show at the China Helicopter Exposition in north China's Tianjin Municipality, September 15, 2011. Tianjin is shaping its aviation and aerospace industry based on the making of aircrafts, large rockets, satellites and space labs. The total output value of the city's aviation and aerospace industry reached 22.77 billion yuan ($3.6 billion) in 2011, growing 33.8 percent on a year-on-year basis. Photo: Xinhua
Workers assemble an Airbus A320 passenger plane in a general factory in north China's Tianjin Municipality, September 25, 2012. Tianjin is shaping its aviation and aerospace industry based on the making of aircrafts, large rockets, satellites and space labs. The total output value of the city's aviation and aerospace industry reached 22.77 billion yuan ($3.6 billion) in 2011, growing 33.8 percent on a year-on-year basis. Photo: Xinhua
Workers assemble Airbus A320 passenger planes in a general factory in north China's Tianjin Municipality, September 25, 2012. Tianjin is shaping its aviation and aerospace industry based on the making of aircrafts, large rockets, satellites and space labs. The total output value of the city's aviation and aerospace industry reached 22.77 billion yuan ($3.6 billion) in 2011, growing 33.8 percent on a year-on-year basis. Photo: Xinhua
Workers do product test in a factory of AVIC Helicopter LLC. in north China's Tianjin Municipality, October 16, 2012. Tianjin is shaping its aviation and aerospace industry based on the making of aircrafts, large rockets, satellites and space labs. The total output value of the city's aviation and aerospace industry reached 22.77 billion yuan ($3.6 billion) in 2011, growing 33.8 percent on a year-on-year basis. Photo: Xinhua
Workers assemble an Airbus A320 passenger plane in a general factory in north China's Tianjin Municipality, September 25, 2012. Tianjin is shaping its aviation and aerospace industry based on the making of aircrafts, large rockets, satellites and space labs. The total output value of the city's aviation and aerospace industry reached 22.77 billion yuan ($3.6 billion) in 2011, growing 33.8 percent on a year-on-year basis. Photo: Xinhua