Polycrystalline silicon ingot, silicon wafer, PV module, inverter, system integration applications for the integration of reliable, efficient photovoltaic industry chain is the most complete Chinese solar industry chain, one of the largest solar system integrators. The company has constructed the Xinxiang 500kW project, Ruoqiang County of Xinjiang, Shanghai Hongqiao highway railway station 6.6 MW BIPV project, 2008 Beijing Olympic Games Torch Relay project on Mt. Everest, 10MW PV Grid-connected project in Qinghai Xi’tie mountain, Ruanjingtan 10MW PV Grid-connected project and other Chinese symbolic solar PV projects providing security for the smooth implementation of major national programs. So far, the company has constructed more than 3000 sets of off-Grid, on-Grid PV power stations, promoted more than 100,000 sets of solar home systems, and solved 71 no electricity towns, 568 no electricity villages, 108670 no electricity households, nearly 40 million population without electricity for clean water and population of life electricity problem, the company's solar street light, solar lawn lamp, solar traffic light, solar home system, solar pumping and lighting power station are widely applied in the city virescence, lighting, highway traffic signal, and service for Beijing Olympic green construction, received extensive attention from the whole society.