[Photo/Yi-Tong UAV System Co Ltd/Handout via Xinhua] A large, unmanned cargo plane developed by Yitong UAV System made its debut flight on Saturday in Qingdao, Shandong province. A prototype of ...

Hosted by the Qingdao Municipal People's Government ... Competitors from five districts—Shinan, Shibei, Laoshan, Xihai'an, and Jiaozhou—assembled to compete for 8 gold medals. Among them, Lin Pengze ...