壹石通：公司人工合成高纯石英砂项目的规划产能为年产2万吨

Group 1 - The core viewpoint of the article is that the company Yishitong is in the early construction phase of its artificial high-purity quartz sand project, which has a planned production capacity of 20,000 tons per year [1] - The primary applications of the product include serving as the inner layer sand for photovoltaic quartz crucibles and as a substrate for semiconductor quartz products [1] - The company has completed the technical indicators and performance optimization for the artificial high-purity quartz sand and is currently advancing downstream product validation [1] Group 2 - Yishitong is conducting application testing in collaboration with single crystal factories to expedite market introduction and aims to achieve small batch shipments as soon as possible [1] - Future operational data for the related products will be disclosed in the company's periodic reports [1]