Tongwei Solar (TW Solar) is dedicated to R&D, manufacture and marketing of core solar products. As the worldwide largest crystalline silicon solar cell production enterprise, Tongwei Solar has three bases in Hefei, Chengdu and Meishan, over 7,000 full-time employees and more than 13GW capacity. Up to now, TW Solar is rated as the best global supplier and the enterprise exempted from inspection for solar cells for 4 consecutive years. Moreover, major safety accidents and those concerning environmental protection have not been seen for 5 consecutive years, setting a new record in PV industry.