J-10 jet fighters of the Bayi Aerobatic Team of the Air Force of the Chinese People's Liberation Army perform a test flight ahead of the 10th China International Aviation and Aerospace Exhibition in Zhuhai, south China's Guangdong Province, Nov. 9, 2014. Some 700 exhibitors from at home and abroad with 130-plus planes will attend the six-day airshow starting on Nov. 11. (Xinhua/Shen Ling)