YGE [YINGLI GREEN ENERGY] 6-K: Yingli Green Energy Reports Fourth Quarter and Full
[Yingli Green Energy Reports Fourth Quarter and Full Year 2011 Results Q4 Non-GAAP Gross Margin of PV Modules Was 12.7% Full Year 2011 PV Module Shipment Reached 1,603.8 MW Full Year Non-GAAP Gross Margin of PV Modules Was 20.6% and Non-GAAP Diluted EPS Was US$0.76 BAODING, China, February29, 2012 Yingli Green Energympany Limited (NYSE: YGE)]