People work at a factory of Harbin Electric International Company Ltd. (HEI) in Harbin, capital of northeast China's Heilongjiang Province, June 1, 2015. As China's leading large-scale enterprise in power project contracting and export of power equipment, HEI has undertaken contracts to build large-scale power plant turnkey projects and provide complete equipment for power plants in more than 20 countries and regions, installing over 33,000mw in the process. (Xinhua/Wang Jianwei)
