After 10-year rapid development in the PV new energy industry since 2006, Tongwei has become a vertically integrated PV enterprise engaging in the upstream production of high-purity crystalline silicon, production of high-efficiency solar cells, and the construction and operation of PV power stations at terminals. It has formed a complete PV new energy industry chain with independent intellectual property rights, being an important participant and a major driving force in the development of PV new energy industry in China or even in the world.