格隆汇11月27日丨石英股份(603688.SH)在投资者互动平台表示，公司用自产高纯石英砂生产的半导体 扩散领域用炉管系列石英材料，近期已在国内一家头部存储晶圆制造企业顺利完成12英寸晶圆制造的全 部工艺测试，并凭借卓越的性能成功通过认证。关于客户具体名称，涉及商业秘密不便披露，敬请理 解。未来，公司将继续坚持半导体材料优先发展战略，持续扩大自产砂产品认证范围。 ...

Core Viewpoint - The company has successfully completed the full process testing of 12-inch wafers using self-produced high-purity quartz sand for semiconductor diffusion furnace tubes, achieving certification due to excellent performance [1] Group 1: Company Developments - The company has developed a series of quartz materials for semiconductor diffusion furnace tubes using self-produced high-purity quartz sand [1] - The certification was achieved with a leading domestic storage wafer manufacturing enterprise, although the specific name of the client cannot be disclosed due to commercial confidentiality [1] - The company plans to continue prioritizing the development of semiconductor materials and expand the certification scope of self-produced sand products [1]

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]