上 海 东 方 华 银 律 师 事 务 所 C A P I T A L L A W & P A R T N E R S | 上海市虹桥路 1591 号虹桥迎宾馆 34 号楼 | Building34, Hongqiao State Guest House,1591 | | --- | --- | | | Hongqiao Rd.，Shanghai， | | 邮縖：200336 | P.C.: 200336 | | 电话：+86 21 68769686 | Tel ：+86 21 68769686 | | 传真：+86 21 58304009 | Fax：+86 21 58304009 | | 繑址：http://www.capitallaw.cn | Web：http://www.capitallaw.cn | 上海东方华银律师事务所 关于江苏太平洋石英股份有限公司 2025 年第一次临时股东大会 之 法律意见书 致：江苏太平洋石英股份有限公司 上海东方华银律师事务所（以下简称"本所"）接受江苏太平洋石英股份有 限公司（以下简称"公司"）委托，就公司召开 2025 年第一次临时股东大会的 有关事宜，根据《中华 ...

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]

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 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]

江苏太平洋石英股份有限公司2025 年第一次临时股东大会 会议资料 股票简称：石英股份 股票代码：603688 江苏太平洋石英股份有限公司 2025 年第一次临时股东大会会议资料 江苏 连云港 二〇二五年十一月二十八日 1 江苏太平洋石英股份有限公司2025 年第一次临时股东大会 会议资料 2025 年第一次临时股东大会现场会议规则 为了维护全体股东的合法权益，确保现场股东大会的正常秩序和议事效率，保证 现场会议的顺利进行，根据《公司法》《上市公司股东会规则》和《公司章程》等有 关规定，现就江苏太平洋石英股份有限公司 2025 年第一次临时股东大会现场会议规 则明确如下： 一、为确认出席大会的股东或其代理人或其他出席者的出席资格，会议工作人员 将对出席会议者的身份进行必要的核对工作，请被核对者给予配合。 二、股东及股东代理人应于会议开始前入场；中途入场者，应经过会议工作人员 的许可。 三、会议按照召集通知及公告上所列顺序审议、表决议案。 四、股东及股东代理人参加股东大会依法享有发言权、质询权、表决权等权利。 股东及股东代理人参加股东大会应认真履行其法定义务，不得侵犯公司和其他股东及 股东代理人的合法权益，不得 ...

Core Insights - The non-metal materials sector experienced a rise of 1.97% on November 13, with Ningxin New Materials leading the gains [1] - The Shanghai Composite Index closed at 4029.5, up 0.73%, while the Shenzhen Component Index closed at 13476.52, up 1.78% [1] Sector Performance - Ningxin New Materials (code: 920719) closed at 15.76, with a gain of 5.21% and a trading volume of 80,700 shares, amounting to a transaction value of 126 million [1] - Suotong Development (code: 603612) saw a closing price of 30.38, up 4.76%, with a trading volume of 557,500 shares and a transaction value of 1.689 billion [1] - Longgao Co., Ltd. (code: 605086) closed at 29.02, increasing by 4.39%, with a trading volume of 81,000 shares and a transaction value of 232 million [1] - Other notable performers include Tianma New Materials (code: 920971) with a 3.45% increase, and Dongfang Huizhen (code: 920175) with a 3.12% increase [1] Capital Flow - The non-metal materials sector saw a net inflow of 175 million from institutional investors, while retail investors experienced a net outflow of 89.97 million [1] - Specific stock capital flows indicate that Suotong Development had a net inflow of 141 million from institutional investors, while retail investors had a net outflow of 90.65 million [2] - Quartz Co., Ltd. (code: 603688) had a net inflow of 17.36 million from institutional investors, while retail investors had a net inflow of 8.52 million [2]

Core Viewpoint - Quartz Co., Ltd. has shown a significant stock price increase of 38.68% year-to-date, despite a recent slight decline in the last five and twenty trading days [1][2] Company Overview - Jiangsu Pacific Quartz Co., Ltd. is located in Lianyungang City, Jiangsu Province, and was established on April 23, 1999, with its listing date on October 31, 2014 [1] - The company specializes in the research, production, and sales of high-purity quartz sand, quartz tubes (rods, plates, ingots, and cylinders), quartz crucibles, and other quartz materials, primarily used in light sources, photovoltaics, semiconductors, and optical fibers [1] - The revenue composition of the main business includes quartz tubes (rods) at 82.56%, quartz sand at 13.38%, other products at 3.61%, and quartz crucibles at 0.45% [1] Financial Performance - For the period from January to September 2025, Quartz Co. reported a revenue of 753 million yuan, a year-on-year decrease of 24.46%, and a net profit attributable to shareholders of 135 million yuan, down 56.81% year-on-year [2] - The company has distributed a total of 3.374 billion yuan in dividends since its A-share listing, with 2.945 billion yuan distributed in the last three years [3] Shareholder Information - As of September 30, 2025, the number of shareholders for Quartz Co. was 55,200, a decrease of 13.28% from the previous period, with an average of 9,813 circulating shares per person, an increase of 15.32% [2] - Major shareholders include Hong Kong Central Clearing Limited, which holds 11.6441 million shares, and new entrants such as Guotai Value Advantage Mixed Fund and E Fund Environmental Theme Mixed Fund [3]