Haidian District

national space agency of the People's Republic of China

district in Beijing, People's Republic of China

thumb|Mickey Huang and Zhou Yo at Golden Bell Awards 50th Anniversary Exhibition Youku Tudou Inc. (formerly Youku Inc.), doing business as Youku (), is a video streaming service and former video sharing website based in Beijing, China. It operates as a subsidiary of Alibaba Group Holding Limited.

China National Chemical Corporation, commonly known as ChemChina, is a Chinese state-owned chemical company in the product segments of agrochemicals, rubber products, chemical materials and specialty chemicals, industrial equipment, and petrochemical processing for the civilian and military sectors. As of 2020, it is ranked 164th among the Fortune Global 500 companies.