by HAOYU ZHANGSpecial CorrespondentBEIJING, (CAJ News) – CHINA has taken a significant leap in unmanned aviation technology with the successful maiden flight of the “Changying-8,” now regarded as the world’s
by HAOYU ZHANGSpecial CorrespondentBEIJING, (CAJ News) – CHINA has taken a significant leap in unmanned aviation technology with the successful maiden flight of the “Changying-8,” now regarded as the world’s