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

HNCA participated in COMAC - Henan Large Aircraft Industry Training Conference

Release date：2021.06.16   Source:

On June 15, 2021 ComAC - Henan Large Aircraft Industry Training Conference was held in Zhengzhou. Centering on the development and construction of large aircraft industry, the conference will cultivate the industrial chain and supply chain of civil aircraft, deepen the cooperative relationship between supporting enterprises of large aircraft industry chain in Henanprovince and COMAC, and further promote the strategic cooperation between Henanprovince and COMAC. HNCA Party Secretary and Chairman Zhang Mingchao gave a speech at the meeting.