|Yingli Green Energy Holding Company Limited is a vertically integrated photovoltaic (PV) product manufacturer. The Company designs, manufactures and sells PV modules, and designs, assembles, sells and installs PV systems. The Company sells PV modules under its own brand names, modules, and design, assemble, sell and install PV systems. To various markets globally, including Germany, Spain, Italy, Greece, France, South Korea, the United States and the People's Republic of China. In January 2009, the Company completed the acquisition of Cyber Power Group Limited.