An Airbus management official presents an A320 Sharklet model to a representative of China Eastern Airlines at the A320 Sharklet delivery ceremony in Tianjin, north China, May 17, 2013. The Airbus (Tianjin) Final Assembly Ltd delivered its first fuel-saving A320 Sharklet to the China Eastern Arilines here on May 17. (Xinhua/Liu Haifeng)

Dancers perform drum dance at the A320 Sharklet delivery ceremony in Tianjin, north China, May 17, 2013. The Airbus (Tianjin) Final Assembly Ltd delivered its first fuel-saving A320 Sharklet to the China Eastern Arilines here on May 17. (Xinhua/Liu Haifeng)