China-Japan Green Expo 2011 opens in Beijing

Visitors shake hands with a Mitsubishi robot at the China-Japan Green Expo 2011 in Beijing, June 1, 2011. The exhibition is open from June 1 to June 3 in the China National Convention Center, and 54 companies from two countries will display their technological answers to issues of new energy use, recycling, battery and charging equipment. [Photo / Xinhua]

A Mitsubishi Materials Corporation employee introduces the company's environmental protection materials the China-Japan Green Expo 2011 in Beijing, June 1, 2011.The Expo aims to promote green economics, a low carbon lifestyle and sustainable development. [Photo /Xinhua]