Jiangsu Dexin Technology is a manufacturer of high-purity silicon materials established in 2018, and its predecessor was Jinda Quartz established in 1992. The company has an annual output of more than 5,000 tons of silicon powder and more than 1,500 tons of high-purity sand for customized photovoltaic crucible. After years of continuous research and development, in 2019, the company put into production of ultra-high-purity quartz sand used in semiconductor, optical fiber and other industries, with an annual capacity of about 300 tons, and gradually steadily expanded production. In the same year, the company put into production of ultra-high purity silica sol for polishing silicon wafers, with an annual capacity of 10,000 tons, breaking the situation that ultra-high purity quartz sand and silica sol rely heavily on imports.