Solarfun Power Holdings, a manufacturer of silicon ingots, photovoltaic cells and modules in China, has announced the signing of an agreement between their subsidiary Jiangsu Linyang Solarfun and the government of Jiayuguan City, Gansu Province that will see the construction of a 100MW solar power plant. Solarfun will construct a module production facility in Jiayuguan City to accommodate the terms of the agreement.