麻豆a秘 a5毛片exo凶久|国产AV手动工一区二区|狼人本色国产在钱视频|综综合合久久槡,欧美日韩人妻精品一区二区三区,国产精品综合一区二区三区,97精品国产高清自在线看超

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.