Solarfun Power Holdings Co., Ltd., an investment holding company, engages in the development, manufacture, and sale of photovoltaic (PV) products. The company offers PV cells, including monocrystalline and multicrystalline silicon cells; PV modules; and monocrystalline and multicrystalline ingots, as well as silicon ingots and wafers. It also provides PV cell and PV module processing services. The company sells its PV cells and PV modules directly to system integrators, as well as through third party distributors. Its customers include solar power system integrators and distributors primarily in Germany, the Czech Republic, Portugal, Australia, and the People's Republic of China. The company was founded in 2004 and is headquartered in Qidong, the Peoples Republic of China.