Yingli Solar is currently one of the largest manufacturers of solar products in China as measured by annual production capacity, with an annual production capacity of 600 megawatts of polysilicon solar ingots and wafers, 600 megawatts of solar cells and 600 megawatts of solar panels. Yingli solar products and services substantially cover the entire PV industry value chain from the manufacture of multicrystalline polysilicon solar ingots and wafers, solar cells, solar panels and PV solar systems to solar system installation.