证券代码：603688 证券简称：石英股份 公告编号：临 2025-046 江苏太平洋石英股份有限公司 第六届董事会第一次会议决议公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连带责任。 一、董事会会议召开情况 江苏太平洋石英股份有限公司（以下简称"公司"）第六届董事会第一次会 议通知于 2025 年 11 月 21 日发出，会议于 2025 年 11 月 28 日在公司会议室以现 场结合通讯方式召开。会议应出席董事 9 名，实到 9 名，其中独立董事蒋春燕以 通讯方式参加会议。本次会议由董事长陈士斌先生主持。公司高级管理人员列席 了会议。本次会议的召集和召开程序符合《公司法》等法律、行政法规、部门规 章、规范性文件和《公司章程》的有关规定。 二、董事会会议审议情况 （一）审议通过《关于选举公司第六届董事会董事长的议案》 同意选举陈士斌先生为公司第六届董事会董事长，任期与第六届董事会一致。 表决结果：【9】票赞成、【0】票反对、【0】票弃权。 具体内容详见公司同日披露于上海证券交易所网站（www.sse.com.cn）及指 ...

Market Performance - The non-metal materials sector increased by 2.31% compared to the previous trading day, with Longgao Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3888.6, up 0.34%, while the Shenzhen Component Index closed at 12984.08, up 0.85% [1] Stock Performance - Longgao Co., Ltd. (code: 605086) closed at 33.99, with a rise of 10.00% and a trading volume of 100,300 shares, resulting in a transaction value of 336 million yuan [1] - Kuncai Technology (code: 603826) closed at 17.84, up 3.66%, with a trading volume of 58,700 shares and a transaction value of 10.4 million yuan [1] - Lichong Diamond (code: 301071) closed at 37.68, up 2.25%, with a trading volume of 77,600 shares and a transaction value of 291 million yuan [1] Capital Flow - The non-metal materials sector saw a net inflow of 91.07 million yuan from institutional investors, while retail investors experienced a net outflow of 33.12 million yuan [2][3] - Longgao Co., Ltd. had a net inflow of 75.38 million yuan from institutional investors, accounting for 22.45% of its total trading volume [3] - Kuncai Technology experienced a net inflow of 7.20 million yuan from institutional investors, representing 6.94% of its total trading volume [3]

Group 1 - A-shares indices have turned positive, with the semiconductor sector taking the lead, as companies like Jingyi Equipment, Tuojing Technology, and Xinyuan Microelectronics saw significant gains of 9.97%, 6.3%, and 5.7% respectively, contributing to a 3.29% increase in the Sci-Tech Semiconductor ETF and a 0.72% rise in the Aerospace ETF [1][2] - Tuojing Technology announced plans to raise 4.6 billion yuan for the construction of a high-end semiconductor equipment industrialization base, a cutting-edge technology research center, and to supplement working capital [2] - Quartz Co. confirmed that it has begun mass production and sales of semiconductor-grade quartz tubes and other high-end quartz material products [2] - Domestic GPU chip manufacturer Muxi Co. is accelerating its IPO process, with official subscription set for December 5 [2] - The Zhuque-3 rocket is scheduled for its maiden flight on November 29, which, if successful, will mark it as the world's third reusable rocket and a key development in reducing launch costs for China [2] - The 2025 Asia General Aviation Exhibition is being held from November 27 to 30 in Zhuhai, showcasing new products, technologies, and services in the global general aviation and low-altitude economy sectors [2] Group 2 - The Aerospace ETF has seen a net inflow of over 417 million yuan in the past 20 days, with a high concentration of 98.2% in the primary military industry, making it the index with the highest military content in the market [3] - Key components of the Aerospace ETF include companies such as Guoke Technology (metamaterials stealth technology), AVIC Shenyang Aircraft Corporation (fighter jet manufacturing), Aero Engine Corporation of China (aero engines), AVIC Chengfei (drone systems), and Great Wall Military Industry (ammunition and smart weapon systems) [3]

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 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]

Market Overview - The domestic market indices showed mixed performance, with the Shanghai Composite Index closing at 3,864.18, down 0.15%, while the Shenzhen Component Index rose by 1.02% to 12,907.83 [2] Industry Insights - The report highlights significant developments in the non-bank financial sector, particularly in brokerage mergers and acquisitions, indicating a renewed focus on investment value within the sector [4][6] - The securities industry has seen a substantial increase in bond underwriting, with a total of 705.18 billion yuan in technology innovation bonds issued in the first three quarters of 2025, marking a year-on-year growth of 57.77% [6] Company Analysis: Longxin Group - Longxin Group recently launched the "Longxin Jiugong Power Trading Intelligent Agent," an AI-driven tool designed for power trading, which aims to simplify market decision-making and enhance trading efficiency [5][9] - The intelligent agent boasts four core capabilities: comprehensive situational awareness, deep strategy analysis, intelligent solution generation, and comprehensive risk control, achieving over 90% accuracy in price forecasting [9] - For the first three quarters of 2025, Longxin Group reported revenues of 2.45 billion yuan, a decline of 9.4% year-on-year, but anticipates a revenue increase in Q4 due to the traditional peak season for power grid-related business [9] - The company has seen significant growth in its new energy services, with over 25 million registered users on its charging platform and a projected total charging volume of 7 billion kWh for the year [9] Solar Industry Commentary - The report tracks price movements in the solar industry, noting that polysilicon prices remained stable at 52.0 yuan/kg, while silicon wafer prices have seen declines of 6.3% and 3.1% for different types [10] - The solar market is experiencing a downturn in demand, with domestic production expected to fall below 44.5 GW in November, and a 23.6% decrease in solar module exports in October [10] - The report recommends companies involved in new technology directions, supply-side initiatives, and energy storage, highlighting Longxin Group as a key player in the power market [10]

Market Overview - The non-metal materials sector experienced a decline of 4.31% on November 21, with Suotong Development leading the drop [1] - The Shanghai Composite Index closed at 3834.89, down 2.45%, while the Shenzhen Component Index closed at 12538.07, down 3.41% [1] Stock Performance - Jiangsu Materials (001296) saw a significant increase of 10.00%, closing at 25.51, with a trading volume of 161,000 shares and a turnover of 398 million [1] - Other notable declines included Suotong Development (603612) down 7.33% to 22.87, and Tianma New Materials (920971) down 6.94% to 30.29 [2] Capital Flow - The non-metal materials sector had a net inflow of 80.44 million from institutional investors, while retail investors experienced a net outflow of 54.42 million [2] - The main stocks with significant capital flow included Jiangsu Materials with a net inflow of 116 million, while Suotong Development had a net outflow of 7917.43 million from retail investors [3]

Market Overview - The non-metal materials sector experienced a decline of 0.99% on November 20, with Suotong Development leading the drop [1] - The Shanghai Composite Index closed at 3931.05, down 0.4%, while the Shenzhen Component Index closed at 12980.82, down 0.76% [1] Stock Performance - Notable stock performances included: - Lianrui New Materials (688300) rose by 2.04% to a closing price of 55.40, with a trading volume of 42,200 shares and a transaction value of 233 million [1] - Longgao Co., Ltd. (605086) increased by 0.39% to 30.55, with a trading volume of 44,100 shares [1] - Suotong Development (603612) fell by 3.41% to 24.68, with a trading volume of 212,600 shares and a transaction value of 53.5 million [2] Capital Flow - The non-metal materials sector saw a net outflow of 42.67 million from institutional investors and 22.05 million from retail investors, while individual investors contributed a net inflow of 64.72 million [2] - The capital flow for specific stocks indicated: - Lianrui New Materials had a net inflow of 8.65 million from institutional investors but a net outflow of 24.10 million from retail investors [3] - Longgao Co., Ltd. experienced a net inflow of 11.57 million from institutional investors but a net outflow of 14.06 million from retail investors [3]

Investment Rating - The report maintains an "Outperform" rating for the construction materials industry, indicating a positive outlook compared to the broader market [3][51]. Core Insights - The construction materials sector has shown resilience with a 1.50% increase last week, outperforming the CSI 300 index by 2.6 percentage points. Year-to-date, the sector has risen 17.3%, slightly underperforming the CSI 300 index by approximately 0.4 percentage points [6][14]. - Infrastructure investment in the first ten months of 2025 has decreased by 0.1% year-on-year, but there is optimism regarding the acceleration of strategic key projects, particularly in cement, explosives, pipes, and waterproof materials [6][26]. - The report highlights a shift towards consumption upgrades, which is expected to enhance the competitive landscape in the consumer building materials segment, leading to increased market share for leading companies [6][26]. Summary by Sections Market Overview - The construction materials sector has experienced a 1.50% increase last week, with cement, glass, and renovation materials showing varied performance [6][14]. - Cement prices have seen a slight increase, with the national average price at 358 RMB/ton, reflecting a week-on-week increase of 1.1 RMB/ton [20][30]. Infrastructure Investment - National fixed asset investment reached 408914 billion RMB in the first ten months of 2025, down 1.7% year-on-year, with infrastructure investment showing a minor decline of 0.1% [6][24]. - Key sectors such as pipeline transportation, water transportation, and railway transportation have shown growth rates of 13.8%, 9.4%, and 3.0% respectively, indicating relative strength in these areas [6][24]. Cement Market Dynamics - The national cement shipment rate was approximately 46% as of November 14, 2025, with a week-on-week increase of 0.3 percentage points [20][30]. - The report notes that the overall demand for cement is expected to stabilize, with prices likely to experience fluctuations as companies aim to enhance profitability [31][30]. Glass and Fiberglass Market - The average price of float glass has decreased to 1195 RMB/ton, with a week-on-week decline of 2 RMB/ton, while inventory levels have also decreased [39][40]. - Fiberglass prices remained stable, with the average price of non-alkali fiberglass yarn in East China at 3475 RMB/ton [43][44]. Cost Trends - The report indicates that most raw material prices have decreased year-on-year, which is expected to positively impact corporate profitability in the second half of 2025 [45][47].