2013 China Clean Energy Expo kicked off on Wednesday at China National Convention Center in Beijing. Nearly 300 enterprises from over 20 countries around the world participated in the trade fair. The three-day expo is comprised of several sub-exhibitions, including that of GridTec China, China (Beijing) International Solar Photovoltaic (CIPV), Solar Thermal & Concentrated Solar Power (CSP), Wind Power China, Distributed Energy China and Bio-Energy China.[Gong Yingchun/China.org.cn]