av 一区二区三区四区,午夜神马欧美精品福利电影,国产麻豆交换夫妇,午夜福利电影在线观看视频,黑人巨大精品欧美一区二区免费

The First Customer Training and Research Center of COMAC was Settled in Zhengzhou

Release date：2021.06.16   Source:

On June 15, 2021, COMAC (Zhengzhou) Customer Training and Research Center was inaugurated at HNCA Crew Training Center. This is the first and the only cooperatively established customer training research center of COMAC across the country. It focuses on domestic large aircraft to carry out professional training and related equipment, technology, standard research, in order to satisfy the demands of a variety of domestic aircraft delivery and training, bring new growth engine for the Henan aviation talent training system.