The core technology of Tongwei's polysilicon production has devoloped to "8th method of Yongxiang", with over 90% of N-type monocrystalline reaching the level of electronic-grade silicon. The quality, technical indicators and costs of Tongwei polysilicon lead globally, covering both electronic and solar grades.Tongwei has established strategic partnerships with several well-known downstream photovoltaic cell and module enterprises in China. The product quality has received high recognition in the market. With a purity of 99.999999999%, the products represent the excellence of high-purity crystalline silicon "intelligent manufacturing in China".