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].

炒股就看金麒麟分析师研报，权威，专业，及时，全面，助您挖掘潜力主题机会！ 半导体板块爆发 半导体板块今日大幅拉升，截至收盘，晶华微、唯捷创芯、富满微、纳芯微、圣邦股份、思瑞浦等20% 涨停，华虹公司涨19.75%。 在全球股市普遍走低背景下，A股、港股逆市走高。 今日，在隔夜美股大跌后，亚太市场普遍走低，日经225指数一度跌超5%。欧股今日开盘后也迅速走 低，截至发稿，主要指数均转跌，德国DAX指数、意大利富时MIB指数、欧元区斯托克50指数跌幅均 超1%。 | 英国富时100 | 7883.60 | -29.65 | -0.37% | | --- | --- | --- | --- | | 法国CAC40 | 7088.53 | -37.49 | -0.53% | | 德国DAX | 20341.84 | -220.89 | -1.07% | | 意大利富时MIB | 33779.85 | -497.24 | -1.45% | | 欧元区STOXX50(欧元) | 4762.53 d | -56.39 | -1.17% | A股、港股今日逆市走高。A股创业板指、科创50指数等较为强势；港股午后再度拉升，恒生 ...

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]