Representatives attending the delivery ceremony of the head section of ARJ21 pose for a group photo in Chengdu, capital city of southwest China's Sichuan Province, Dec. 20, 2006. The head section of China's first home-made ARJ21 feeder airplane was delivered officially on Wednesday. With 70-90 seats, the ARJ21 jet will have over 85 percent of its component parts manufactured by domestic enterprises.   [Xinhua Photo]

Photo shows the delivery ceremony of the head section of ARJ21 in Chengdu, capital city of southwest China's Sichuan Province, Dec. 20, 2006.   [Xinhua Photo]

Photo shows the delivery ceremony of the head section of ARJ21 in Chengdu, capital city of southwest China's Sichuan Province, Dec. 20, 2006.    [Xinhua Photo]