（编辑 姚尧） 证券日报网讯 2月2日，石英股份在互动平台回答投资者提问时表示，目前公司主要核心半导体产品生 产线集中于母公司。公司专注于半导体级高纯石英材料的研发、制造和销售，主要产品包括各类高纯石 英管、棒、筒、锭等。 ...

Core Viewpoint - The company, Quartz Co., Ltd. (石英股份), has successfully obtained certifications for its high-purity quartz materials used in semiconductors from major domestic and international semiconductor equipment manufacturers [1] Group 1: Company Developments - The company produces high-purity quartz tubes, rods, cylinders, and ingots specifically for semiconductor applications [1] - The high-purity quartz sand produced by the company has been certified for use in semiconductor diffusion and etching processes by significant domestic and international clients [1]

Investment Rating - The industry rating is "Overweight" (first-time) [6] Core Insights - The report highlights the acquisition of 100% equity of Henan High Purity Minerals by AnCai High Technology, which occurred in September 2025. This acquisition aims to enhance the production and sales of high-purity quartz materials essential for semiconductor, photovoltaic, and optical fiber communication industries [6] - Quartz Co. has successfully mass-produced and sold various high-end quartz material products, including semiconductor-grade quartz tubes, rods, and ingots, as of November 27, 2025. These products are crucial for key processes in semiconductor manufacturing [6] - The establishment of high-purity quartz as the 174th new mineral type in China, announced in April 2025, signifies a breakthrough in domestic mineral resources, with purity levels not lower than 99.995%. This development is expected to strengthen the resilience and security of the domestic supply chain [6] Summary by Sections - **Recent Industry Performance**: The industry has shown a relative return of 6.65% over the past 12 months, with an absolute return of 23.5% [3] - **Investment Highlights**: The acquisition by AnCai High Technology and the production capabilities of Quartz Co. are pivotal developments, indicating a growing market for high-purity quartz materials [6] - **Market Demand**: High-purity quartz is characterized by its high-temperature resistance, corrosion resistance, low thermal expansion, high insulation, and transparency, making it indispensable for semiconductor and photovoltaic industries [6] - **New Mineral Classification**: The recognition of high-purity quartz as a new mineral type is expected to foster the development of new production capabilities and enhance the domestic supply chain [6]

Core Viewpoint - The company has successfully achieved mass production and sales of high-end quartz materials, including semiconductor-grade quartz tubes, rods, cylinders, and ingots, based on semiconductor-grade high-purity quartz sand [1] Group 1: Product Development - The company has developed various high-end quartz material products specifically for the semiconductor manufacturing process [1] - The products are primarily used in critical processes such as diffusion and etching within semiconductor manufacturing [1] Group 2: Production and Supply - The semiconductor-grade high-purity quartz sand produced by the company is currently used solely for its own production needs [1]