石英股份：半导体石英材料通过国内头部晶圆厂认证

Core Viewpoint - The company has successfully developed and certified its self-produced high-purity quartz sand for semiconductor diffusion furnace tubes, breaking the monopoly of imported materials in the semiconductor quartz raw material sector [1] Group 1: Company Developments - The company announced on October 27 that its quartz materials for semiconductor diffusion furnace tubes have completed all process tests for 12-inch wafer manufacturing at leading domestic storage wafer manufacturers [1] - The successful certification of these materials signifies a significant step towards achieving complete autonomy in core upstream materials of the industry [1] Group 2: Strategic Direction - The company will continue to prioritize the development of semiconductor materials and expand the certification range of its self-produced sand products [1]