证券代码：603688 证券简称：石英股份 公告编号：2025-043 江苏太平洋石英股份有限公司 关于召开2025年第一次临时股东大会的通知 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法律责任。 重要内容提示： 股东大会召开日期：2025年11月28日 本次股东大会采用的网络投票系统：上海证券交易所股东大会网络投票系 统 一、 召开会议的基本情况 (一) 股东大会类型和届次 2025年第一次临时股东大会 (二) 股东大会召集人：董事会 (三) 投票方式：本次股东大会所采用的表决方式是现场投票和网络投票相 结合的方式 (四) 现场会议召开的日期、时间和地点 召开的日期时间：2025 年 11 月 28 日 14 点 00 分 召开地点：江苏省连云港市东海县平明镇马河电站东侧江苏太平洋石英股份 有限公司会议室 (五) 网络投票的系统、起止日期和投票时间。 网络投票系统：上海证券交易所股东大会网络投票系统 网络投票起止时间：自2025 年 11 月 28 日 至2025 年 11 月 28 日 采用上海证券交易所网络投票系统，通过交易系 ...

证券代码：603688 证券简称：石英股份 公告编号：临 2025-040 江苏太平洋石英股份有限公司 第五届董事会第二十一次会议决议公告 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"）第五届董事会第二十一 次会议通知于 2025 年 11 月 07 日发出，会议于 2025 年 11 月 12 日在公司会议室 以现场和通讯相结合方式召开。会议应出席董事 9 名，实到 9 名，其中独立董事 肖侠、蒋春燕、解亘以通讯方式参加。本次会议由董事长陈士斌先生主持。公司 监事、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《关于公司董事会换届选举暨提名第六届董事会非独立董 事的议案》 会议一致同意陈士斌、刘明伟、赵仕江、张丽雯、陈海伦为公司第六届董事 会非独立董事候选人。并将此议案提交公司 2025 年第一次临时股东大会审议。 本议案已经董 ...

Core Insights - The non-metal materials sector experienced a slight increase of 0.18% on November 11, with Lili Diamond leading the gains [1] - The Shanghai Composite Index closed at 4002.76, down 0.39%, while the Shenzhen Component Index closed at 13289.0, down 1.03% [1] Stock Performance - Lili Diamond (301071) saw a closing price of 45.53, with a significant increase of 10.30% and a trading volume of 325,100 shares, amounting to a transaction value of 1.453 billion [1] - Other notable performers included Dongfang Xiayuan (920175) with a 5.81% increase, Longgao Co. (605086) with a 4.17% increase, and Ningxin New Materials (920719) with a 4.09% increase [1] - Conversely, stocks like Lianrui New Materials (688300) and Suotong Development (603612) experienced declines of 3.11% and 2.20%, respectively [2] Capital Flow - The non-metal materials sector saw a net outflow of 165 million from institutional investors, while retail investors contributed a net inflow of 174 million [2] - The capital flow data indicates that Lili Diamond had a net inflow of 16.9342 million from institutional investors, despite a net outflow from retail and speculative investors [3] - Longgao Co. (605086) and Changjiang Materials (001296) also showed mixed capital flows, with institutional inflows but retail outflows [3]

Investment Rating - The report maintains an "Outperform" rating for the construction materials sector [2] Core Views - The construction materials sector continues to show a trend of profit improvement in Q3 2025, with a year-on-year increase in net profit despite a decline in revenue [5][39] - The overall revenue for the construction materials sector in the first three quarters of 2025 was CNY 463.64 billion, a decrease of 4.98% year-on-year, while net profit attributable to shareholders was CNY 18.79 billion, an increase of 28.19% year-on-year [5][39] - The report identifies key factors for profit improvement, including a decrease in raw material costs and an improved supply-demand balance for certain construction materials [5][39] Summary by Sections 1. Construction Materials Sector Overview - The construction materials sector's revenue in Q3 2025 was CNY 162.16 billion, down 6.0% year-on-year, with a net profit of CNY 6.99 billion, up 9.2% year-on-year [5][39] - The sector's overall gross margin improved to 19.64%, up 1.58 percentage points year-on-year, and the net margin was 4.18%, up 1.19 percentage points year-on-year [44] 2. Cement Sector - The cement sector's revenue for the first three quarters of 2025 was CNY 269.04 billion, down 7.79% year-on-year, while net profit was CNY 7.82 billion, up 158.8% year-on-year [46][52] - Despite a decrease in cement prices, profit margins improved due to lower costs of coal and other key inputs [46] 3. Glass Sector - The glass sector faced price pressures, with revenue for the first three quarters of 2025 at CNY 34.41 billion, down 11.28% year-on-year, and a net profit of CNY 0.27 billion, down 84.22% year-on-year [55][59] - The average price of float glass continued to decline, impacting profitability [55] 4. Fiberglass Sector - The fiberglass sector saw a revenue increase of 23.54% year-on-year in the first three quarters of 2025, totaling CNY 49.21 billion, with a net profit of CNY 4.87 billion, up 121.37% year-on-year [5][39] - Price increases initiated in September contributed to the sector's profit recovery [5] 5. Consumer Building Materials Sector - The consumer building materials sector reported a revenue of CNY 110.76 billion in the first three quarters of 2025, down 5.56% year-on-year, with a net profit of CNY 5.84 billion, down 24.01% year-on-year [5][39] - The sector's cash collection ratio improved to 97.38%, indicating better cash flow management [5][39] 6. Investment Recommendations - The report recommends focusing on leading companies in the consumer building materials sector, such as "Three Trees" and "Oriental Yuhong," which have shown resilience and growth potential [9] - It also suggests looking at companies with strong dividend yields and those actively expanding overseas, such as "China National Building Material" and "Conch Cement" [9]

Core Viewpoint - The non-metal materials sector experienced a rise of 2.05% on November 7, with Suotong Development leading the gains, while the Shanghai Composite Index fell by 0.25% and the Shenzhen Component Index decreased by 0.36% [1] Sector Performance - The non-metal materials sector saw a net inflow of 218 million yuan from institutional investors, while retail investors experienced a net outflow of 182 million yuan [1] - The following companies showed significant price movements: - Suotong Development (603612) closed at 26.74, up 7.82% with a trading volume of 551,400 shares and a transaction value of 1.45 billion yuan - Power Diamond (301071) closed at 65.66, up 3.69% with a trading volume of 192,500 shares and a transaction value of 758 million yuan - Other notable companies include: - Dongfang Shuosu (920175) up 2.66% - Changjiang Materials (001296) up 1.60% - Quartz Shares (603688) up 1.46% [1] Individual Stock Analysis - The following companies experienced declines: - Qilu Huaxin (920832) down 0.73% - Longgao Shares (605086) down 0.74% - Lianrui New Materials (688300) down 1.01% [1]

Market Overview - The non-metal materials sector increased by 1.74% on November 6, with Lianrui New Materials leading the gains [1] - The Shanghai Composite Index closed at 4007.76, up 0.97%, while the Shenzhen Component Index closed at 13452.42, up 1.73% [1] Stock Performance - Lianrui New Materials (688300) closed at 61.31, up 5.02% with a trading volume of 69,200 shares and a transaction value of 420 million [1] - Other notable performers include: - Bingyang Technology (920675) at 12.36, up 3.69% [1] - Suotong Development (603612) at 24.80, up 2.99% [1] - Quartz Shares (603688) at 39.61, up 1.56% [1] - Conversely, Tianma New Materials (920971) saw a decline of 5.44%, closing at 36.50 [2] Capital Flow - The non-metal materials sector experienced a net inflow of 27.41 million in main funds, while retail funds saw a net outflow of 19.45 million [2][3] - The main fund inflows for Lianrui New Materials amounted to 51.67 million, representing 12.30% of the total [3] - In contrast, the retail net outflow for Lianrui New Materials was 39.60 million, accounting for 9.43% [3]

Core Viewpoint - Quartz Co., Ltd. has experienced a stock price increase of 39.42% year-to-date, but has seen a decline of 5.44% in the last five trading days and 8.15% in the last twenty days, indicating volatility in its recent performance [1][2]. Company Overview - Jiangsu Pacific Quartz Co., Ltd. is located in Lianyungang City, Jiangsu Province, and was established on April 23, 1999. The company was listed on October 31, 2014. Its main business involves 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 company is as follows: quartz tubes (rods) account for 82.56%, quartz sand for 13.38%, other products for 3.61%, and quartz crucibles for 0.45% [1]. Financial Performance - For the period from January to September 2025, Quartz Co. achieved an operating income of 753 million yuan, a year-on-year decrease of 24.46%. The net profit attributable to the parent company was 135 million yuan, down 56.81% year-on-year [2]. - Since its A-share listing, the company has distributed a total of 3.374 billion yuan in dividends, with 2.945 billion yuan distributed over 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. The average number of circulating shares per person increased by 15.32% to 9,813 shares [2]. - Among the top ten circulating shareholders, Hong Kong Central Clearing Limited is the fourth largest, holding 11.6441 million shares, an increase of 3.6438 million shares from the previous period. New shareholders include Guotai Value Advantage Mixed Fund (LOF) A and E Fund Environmental Theme Mixed Fund A [3].

Core Viewpoint - Quartz Co., Ltd. has experienced a continuous decline in stock price, with a total drop of 9.22% over the last five days, leading to concerns about its market performance and investor sentiment [1]. Company Overview - 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. 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 [1]. - The main applications of its products include light sources, photovoltaics, semiconductors, and fiber optics [1]. - The revenue composition of the company is as follows: quartz tubes (rods) 82.56%, quartz sand 13.38%, others 3.61%, and quartz crucibles 0.45% [1]. Stock Performance - As of November 5, the stock price of Quartz Co., Ltd. is 39.00 CNY per share, with a trading volume of 500 million CNY and a turnover rate of 2.38%. The total market capitalization is 21.125 billion CNY [1]. - The stock has seen a decline of 0.99% on the reporting day, continuing a downward trend over the past five days [1]. Shareholder Insights - E Fund's Environmental Theme Mixed A Fund (001856) has entered the top ten circulating shareholders of Quartz Co., Ltd., holding 3.3806 million shares, which accounts for 0.62% of the circulating shares [2]. - The fund has incurred a floating loss of approximately 1.3185 million CNY today and a total floating loss of 13.3874 million CNY during the five-day decline [2]. Fund Manager Profile - The fund manager of E Fund's Environmental Theme Mixed A Fund is Qi He, who has been in the position for 7 years and 316 days. The total asset size of the fund is 17.266 billion CNY [3]. - During his tenure, the best fund return achieved was 332.11%, while the worst return was 5.22% [3]. Fund Holdings - E Fund's Environmental Theme Mixed A Fund has Quartz Co., Ltd. as its ninth-largest holding, with 3.3806 million shares, representing 3.36% of the fund's net value [4]. - The fund has also experienced a floating loss of approximately 1.3185 million CNY today and a total floating loss of 13.3874 million CNY during the five-day decline [4].

Investment Rating - The report maintains a "Buy" rating for several companies in the solar industry, with specific ratings of "Buy-A" and "Buy-B" assigned to various stocks [1]. Core Insights - In September 2025, domestic photovoltaic (PV) installations decreased by 53.8% year-on-year, totaling 9.7GW, while cumulative installations from January to September reached 240.27GW, reflecting a 49.3% increase year-on-year [2][12]. - The export value of PV components in September was 199.8 billion yuan, marking a 39.0% year-on-year increase, despite a 4.7% decrease from the previous month. Cumulative exports for the first nine months were 1,521.8 billion yuan, down 13.3% year-on-year [2][15]. - Inverter exports also showed growth, with a September export value of 50.8 billion yuan, up 5.0% year-on-year, but down 19.2% month-on-month. Cumulative inverter exports for January to September reached 484.9 billion yuan, a 7.7% increase year-on-year [3][25]. - Solar power generation in September increased by 21.1% year-on-year, contributing to 5.63% of the total national power generation, which was 8,262 billion kilowatt-hours, a 1.5% increase year-on-year [4][39]. Summary by Sections Installation - In September 2025, domestic PV installations were 9.7GW, down 53.8% year-on-year, but up 31.2% month-on-month. Cumulative installations for the first nine months were 240.27GW, up 49.3% year-on-year [2][12]. Exports - PV component exports in September were valued at 199.8 billion yuan, a 39.0% increase year-on-year, but a 4.7% decrease month-on-month. Cumulative exports for January to September were 1,521.8 billion yuan, down 13.3% year-on-year [2][15]. - Inverter exports in September totaled 50.8 billion yuan, up 5.0% year-on-year, but down 19.2% month-on-month. Cumulative exports for the first nine months reached 484.9 billion yuan, a 7.7% increase year-on-year [3][25]. Power Generation - Solar power generation in September was 464.8 billion kilowatt-hours, reflecting a 21.1% year-on-year increase and accounting for 5.63% of the total national power generation [4][39]. Investment Recommendations - The report recommends focusing on companies in various sectors: new technology (Aixu Co., Longi Green Energy), supply side (Daqo New Energy, Flat Glass Group), energy storage (Sungrow Power Supply, DeYuan Co.), electricity market (Langxin Group), domestic substitution (Quartz Co.), and overseas expansion (Hengdian East Magnetic, Bowei Alloy) [4][43].

Core Viewpoint - Quartz Co., Ltd. has experienced a stock price increase of 40.57% year-to-date, but has seen a recent decline of 5.47% over the past five trading days, indicating volatility in its stock performance [2]. Company Overview - Quartz Co., Ltd. is located in Lianyungang City, Jiangsu Province, and was established on April 23, 1999. It was listed on October 31, 2014. 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 the fields of light sources, photovoltaics, semiconductors, and optical fibers [2]. - The revenue composition of the company includes quartz tubes (rods) at 82.56%, quartz sand at 13.38%, other products at 3.61%, and quartz crucibles at 0.45% [2]. Financial Performance - For the period from January to September 2025, Quartz Co., Ltd. reported a revenue of 753 million yuan, a year-on-year decrease of 24.46%. The net profit attributable to the parent company was 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 over the past three years [3]. Shareholder Structure - As of September 30, 2025, the number of shareholders for Quartz Co., Ltd. was 55,200, a decrease of 13.28% from the previous period. The average number of circulating shares per person increased by 15.32% to 9,813 shares [2]. - Among the top ten circulating shareholders, Hong Kong Central Clearing Limited holds 11.6441 million shares, an increase of 3.6438 million shares from the previous period. New shareholders include Guotai Valuation Advantage Mixed Fund and E Fund Environmental Theme Mixed Fund [3].