(EnergyAsia, October 6, Monday) — China’s Yingli Green Energy said it has signed a sales contract with S.A.G. Solarstrom AG, a leading manufacturer, independent developer and system integrator in the solar power and solar investment market in Europe. Yingli Green Energy will supply 36.8 MW of PV modules to S.A.G. Solarstrom from December 2008 to…