Founded in 1987, Yingli Green Energy(NYSE:YGE), now is becoming a leading solar energy company and one of the world&＃039;s largest vertically integrated photovoltaic manufacturer (2.3GW of annual exportation on 2012 made us the world&＃039;s biggest solar product exporter of the year, although this market has been undergoing a tough period). Our manufacturing covers the entire photovoltaic value chain, from the production of polysilicon through ingot casting and wafering, to solar cell production and module assembly. Yingli offers her customers with high quality products and very professional consulting services in design and construction of solar energy projects.