Tongwei Solar (TW Solar) is dedicated to R&D, manufacturing, and marketing of core solar products. As the worldwide largest crystalline silicon solar cell production enterprise, Tongwei Solar has four bases (Hefei, Chengdu, Meishan and Jintang) and over 9,000 full-time employees. Up to now, TW Solar has achieved a sustainable profit, full production with sales and operation rate of 100% consecutively in 74 months and is rated as the best global supplier and the enterprise exempted from inspection for solar cells for 5 consecutive years. Moreover, major safety accidents and concerning environmental problems have not been seen for 6 consecutive years, setting a new record in the PV industry.
With their competitive and highly skilled research team consisting of prestigious specialists and scholars of the industry, Tongwei Solar has achieved numerous technical achievements with independent intellectual property. In 2019 the overall capacity of Tongwei Solar has reached 20GW accounting for 11% of global market share and Tongwei’s first piece of self-developed HJT solar cells was successfully made and won the Leading Enterprise award for promoting Heterojunction solar cell industrialisation. Up to now, Tongwei Solar has accumulatively obtained 309 patents（41 for invention and 268 for utility model) and 53 software copyrights.