在线播放无码高潮的视频,一二三四视频社区在线,中文字幕精品一区二区2021年,欧美老妇疯狂xxxxbbbb

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.