A visitor views a wind power generator made by Emerson at the Clean Energy Expo China & Wind Power Asia Conference which opened on Wednesday in Beijing. The 3-day expo attracted more than 400 companies from 22 countries. It displayed cutting-edge technologies in the clean energy field and offered a trade platform for exhibitors. [CnDG by Jiao Meng]

Ed Cunningham, managing partner of US Renewable Energy Group provides a brief introduction of US clean energy industry at the Clean Energy Expo China & Wind Power Asia Conference which opened on Wednesday in Beijing. The 3-day expo attracted more than 400 companies from 22 countries. It displayed cutting-edge technologies in the clean energy field and offered a trade platform for exhibitors. [CnDG by Jiao Meng]