1998年1月23日,一个长4.8米、重1.1吨、最大直径3.6米的波音MD-9O机头在成都飞机工业公司被揭开红绸,这标志着成飞公司转包生产的第1OO个MD机头的正式交付.自开展MD机头转包生产以来,成飞公司已累计交付MD-8O机头75个,MD-9O机头25个,实现销售收入4亿多元,创汇近5000万美元.MD-80机头是所属机型上形状最复杂、装配协调环节最多、制造难度最大的部件之一,也是当 January 23, 1998, a 4.8 meters long, weighing 1.1 tons, the maximum diameter of 3.6 meters Boeing MD-9O head was opened in Chengdu Aircraft Industrial Company silk, which marks the contract subordinate to the first 100 A formal delivery of the MD head.Since the launch of MD nose subcontracting production, the company has delivered a total of 75 MD-8O nose, MD-9O head 25, achieved sales revenue 400 million yuan, foreign exchange earnings near 50 million US dollars.MD-80 machine head belongs to the models on the most complex shape, the most coordinated part of the assembly, the most difficult to create one of the components, but also when