Core Viewpoint - The company is advancing the construction of high-purity quartz material production projects in Gansu and Inner Mongolia, aiming for quick production launch [2] Group 1: Project Development - The company is fully promoting the construction of high-purity quartz material production projects in Gansu and Inner Mongolia [2] - The company aims to commence production as soon as possible [2] Group 2: Product Certification and Orders - The high-purity quartz sand produced by the company for semiconductor diffusion and etching has passed certification from significant domestic and international clients [2] - The company has secured a certain volume of orders for its high-purity quartz sand [2] Group 3: Manufacturing Achievements - The high-purity quartz sand produced for semiconductor diffusion furnace tube materials has completed all process tests for 12-inch wafers at a leading domestic storage wafer manufacturing enterprise [2] Group 4: Future Sales Outlook - The company advises stakeholders to pay attention to the sales situation of semiconductor quartz materials in its upcoming periodic reports [2]

格隆汇12月22日丨石英股份(603688.SH)在互动平台表示，公司用自产高纯石英砂生产的半导体扩散、 刻蚀领域用石英材料已通过了国内外重要客户认证，并有一定量订单落地。在高纯石英砂业务方面，公 司合成石英砂研发进展顺利，目前处于中试阶段。 ...