石英股份（603688）发布2025年年度业绩预告。公司预计2025年年度实现归属于上市公司股东的净利润 为13,800.00万元到16,900.00万元，同比减少49.34%到58.63%。预计2025年年度实现归属于上市公司股 东的扣除非经常性损益的净利润为6,600.00万元到8,100.00万元，同比减少70.40%到75.89%。 上年同期经营业绩和财务状况 （一）利润总额：38,024.32万元。归属于母公司所有者的净利润：33,357.14万元。归属于母公司所有者 的扣除非经常性损益的净利润：27,369.31万元。 （一）利润总额：38,024.32万元。归属于母公司所有者的净利润：33,357.14万元。归属于母公司所有者 的扣除非经常性损益的净利润：27,369.31万元。 本期业绩预减的主要原因 本期业绩同比下滑，主要因光伏业务受行业周期波动影响，当前行业供需错配格局未发生实质性改善。 面对上述行业环境，公司聚焦提升产品质量，深化技术创新。后续，公司将紧密跟踪行业发展态势，动 态调整经营策略，持续夯实市场竞争优势，稳步提升市场占有率。 报告期内，公司依托领先的技术优势与丰富的产品矩阵，加 ...

Core Insights - The quartz materials industry is experiencing significant growth due to increasing demand in strategic emerging sectors such as semiconductors, photovoltaics, optical communications, and aerospace [1] - There is a structural differentiation within the quartz industry, with the photovoltaic sector facing temporary supply-demand imbalances while the semiconductor and optical fiber communication sectors maintain strong demand for high-purity quartz materials [1] - The focus of the industry is on overcoming high-end product technology barriers, achieving domestic substitution of semiconductor quartz devices, and meeting the evolving needs of end applications [1] Industry Developments - The "2026 Sixth Anhui International Quartz Industry Conference" is scheduled for March 18, 2026, in Hefei, aiming to create an efficient platform for communication and collaboration across the quartz industry chain [1] - The conference will address key topics such as mineral exploration, advanced purification technologies, high-end product development, and expansion of end applications, promoting technological innovation and high-quality development in China's quartz industry [1] Conference Participants - Notable speakers include: - Sun Hongjuan, Professor at Southwest University of Science and Technology, presenting on high-purity quartz and inclusion removal technology [5] - Jiaxing, Engineer from Jiangsu Donghai, discussing high-purity quartz equipment [7] - Ying Lanjian, Deputy Director of the Quartz Institute at the China Building Materials Science Research, focusing on optical quartz applications [11] - Other experts from various institutions will present on topics related to quartz technology and applications [19][21]

Core Viewpoint - The 2025 International Silicon-Based Materials Industry Exhibition and the 5th Jiangsu International Quartz Industry Conference will be held on October 19-20, 2025, in Nanjing, focusing on innovation and future leadership in the quartz industry [1][6]. Company Overview - Tianchang Silicon-Based New Materials Co., Ltd. was established in December 2021 by Anhui Weichuang High-Tech Group in Tianchang City, Anhui Province, specializing in the production and sales of high-purity quartz sand for single crystal silicon industry and the R&D, production, and sales of electronic-grade quartz sand for ultra-high purity semiconductor industry [2]. Product Introduction - High-purity quartz is a core raw material for high-tech industries such as semiconductors, photovoltaics, and fiber optics, with strategic value comparable to oil and rare earths. Its unique physical and chemical properties include high temperature resistance, high purity, high chemical stability, high light transmittance, and low thermal expansion coefficient, making it essential for advanced technology products [3]. Technological Development - The company is committed to the R&D and innovation of high-purity quartz sand purification technology, with a complete process technology and stable product quality. It aims to extend its industrial chain to downstream quartz products and possesses the capability to provide comprehensive quartz material solutions for the photovoltaic industry and other sectors [4]. Project Overview - The company has launched a project with an annual production capacity of 12,000 tons of high-purity quartz sand and 2,400 tons of electronic-grade quartz sand. The total designed capacity is 36,000 tons/year for high-purity quartz sand and 7,200 tons/year for electronic-grade quartz sand, catering to industries such as semiconductors, high-end optics, and fiber optics [5]. Industry Event Details - The 2025 International Silicon-Based Materials Industry Exhibition and the 5th Jiangsu International Quartz Industry Conference will showcase upstream and downstream equipment and technology enterprises in the silicon-based materials industry, driven by the growing demand from strategic emerging industries such as electronic information and new energy [6][7].

Market Overview - Global stock markets are generally declining, while A-shares and Hong Kong stocks are rising against the trend [1][2] - The Nikkei 225 index fell over 5%, and major European indices also turned negative, with the German DAX, Italian FTSE MIB, and Eurozone STOXX 50 indices all down more than 1% [1][2] A-shares and Hong Kong Stocks Performance - A-shares showed strength with the ChiNext Index and Sci-Tech 50 Index rising significantly; the Shanghai Composite Index increased by 0.45% to 3238.23 points, and the Shenzhen Component Index rose by 0.82% to 9834.44 points [2][3] - Hong Kong's Hang Seng Index rose over 1%, and the Hang Seng Tech Index increased nearly 2%, with net inflows from southbound funds exceeding 11 billion HKD [2][4] Sector Highlights - The semiconductor sector experienced a significant surge, with multiple stocks hitting the daily limit of 20% increase, including Jinghua Micro, Naxin Micro, and Shengbang Co. [3][5] - The quartz concept stocks also saw strong performance, with Kaide Quartz hitting a 30% limit up, and other stocks like Quartz Co. and Oujing Technology achieving consecutive limit ups [8][10] Agricultural Sector Decline - The agricultural sector faced a sharp decline, with stocks like Meino Biological dropping over 18% and several others hitting the limit down [11][12] - Companies such as Wanxiang Denong and Beidahuang also experienced significant losses, indicating a broader downturn in the agricultural market [11][12] Semiconductor Industry Developments - The China Semiconductor Industry Association issued a notice regarding the "origin" recognition rules for semiconductor products, which may impact the industry dynamics [6][10] - Citic Securities highlighted the importance of self-sufficiency in the semiconductor sector, predicting that short-term simulated chip directions will benefit, while long-term low domestic production rates in specific segments will also see advantages [7] Quartz Market Insights - The announcement of a newly discovered high-purity quartz mine in China is expected to boost the domestic supply chain for semiconductor and photovoltaic industries, potentially leading to price increases for high-purity quartz sand [10]

Group 1 - Quartz stocks have shown significant upward movement, with Quartz Co. achieving three consecutive trading limits, and other companies like Oujing Technology and Kaide Quartz also experiencing gains [1] - The recent surge in quartz-related stocks is attributed to the announcement from the Ministry of Natural Resources regarding the discovery of high-purity quartz mines in regions such as Dongqinling in Henan and Altay in Xinjiang [1] - Other companies in the sector, including Yishitong, Jinsai Technology, Zhongqi New Materials, and Kaisheng Technology, have also seen price increases, indicating a broader positive sentiment in the quartz industry [1]