Market Overview - The non-metal materials sector increased by 1.2% on August 29, with Suotong Development leading the gains [1] - The Shanghai Composite Index closed at 3857.93, up 0.37%, while the Shenzhen Component Index closed at 12696.15, up 0.99% [1] Stock Performance - Suotong Development (603612) closed at 26.22, with a rise of 9.98% and a trading volume of 648,900 shares, amounting to a transaction value of 1.669 billion [1] - Other notable performers included Ningxin New Materials (839719) with a 2.75% increase, and Tianma New Materials (838971) with a 2.01% increase [1] - Longgao Co. (605086) experienced a decline of 1.90%, closing at 27.30 [2] Capital Flow - The non-metal materials sector saw a net inflow of 277 million in main funds, while retail investors experienced a net outflow of 117 million [2] - The main funds' net inflow for Suotong Development was 279 million, representing 16.71% of the total [3] - Longgao Co. had a significant net outflow of 11.78 million from main funds, accounting for -14.36% [3]

Market Overview - On August 28, the non-metal materials sector rose by 1.18%, with Quartz Co. leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up 1.14%, while the Shenzhen Component Index closed at 12571.37, up 2.25% [1] Stock Performance - Key stocks in the non-metal materials sector showed varied performance: - Quartz Co. (603688) closed at 40.53, up 2.58% with a trading volume of 190,000 shares [1] - Lianrui New Materials (688300) closed at 59.79, up 2.56% with a trading volume of 121,100 shares [1] - Other notable stocks included: - Bingyang Technology (836675) at 12.42, up 1.22% [1] - Qilu Huaxin (830832) at 8.45, up 0.60% [1] - Strength Diamond (301071) at 30.99, up 0.42% [1] Capital Flow - The non-metal materials sector experienced a net outflow of 205 million yuan from institutional investors, while retail investors saw a net inflow of approximately 85.69 million yuan [2] - The capital flow for key stocks included: - Quartz Co. had a net inflow of 2.34 million yuan from institutional investors [3] - Longgao Co. (605086) saw a net outflow of 1.28 million yuan from institutional investors [3] - Strength Diamond experienced a significant net outflow of 20.80 million yuan from institutional investors [3]

Company Overview - 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][2]. Financial Performance - As of June 30, 2025, Quartz Co. reported a revenue of 515 million yuan, a year-on-year decrease of 30.13%. The net profit attributable to the parent company was 107 million yuan, down 58.41% 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]. Stock Performance - On August 28, 2023, the stock price of Quartz Co. increased by 2.02%, reaching 40.31 yuan per share, with a trading volume of 310 million yuan and a turnover rate of 1.43%. The total market capitalization stood at 21.835 billion yuan [1]. - Year-to-date, the stock price has risen by 41.24%, but it has decreased by 5.26% over the last five trading days. In the last 20 days, the stock increased by 15.30%, and over the last 60 days, it rose by 24.45% [1]. Shareholder Information - As of June 30, 2025, the number of shareholders of Quartz Co. was 63,700, an increase of 10.64% from the previous period. The average number of circulating shares per shareholder was 8,509, a decrease of 9.61% [2]. - Among the top ten circulating shareholders, Hong Kong Central Clearing Limited held 8.003 million shares, a decrease of 2.6924 million shares from the previous period. Southern CSI 500 ETF held 4.0076 million shares, an increase of 574,900 shares [3].

Core Points - The company, Jiangsu Pacific Quartz Co., Ltd., will hold a half-year performance briefing on September 5, 2025, to discuss its operating results and financial status for the first half of 2025 [1][2][3] - The briefing will be conducted in an interactive online format via the Shanghai Stock Exchange Roadshow Center [2][3] - Key personnel attending the meeting include the Chairman, General Manager, Secretary of the Board, Financial Officer, and an Independent Director [2] Meeting Details - **Date and Time**: September 5, 2025, from 10:00 to 11:00 [2] - **Location**: Shanghai Stock Exchange Roadshow Center [2] - **Participation Method**: Investors can log in to the Roadshow Center to participate and ask questions [2][3] Investor Engagement - Investors can submit questions from August 29, 2025, to September 4, 2025, through the Roadshow Center or via the company's email [3] - The company will address commonly asked questions during the briefing [2][3] Contact Information - **Contact Person**: Board Office [3] - **Phone**: 0518-87018519 [3] - **Email**: dsh@quartzpacific.com [3]

投资者可于 2025 年 08 月 29 日（星期五）至 09 月 04 日（星期四）16:00 前 登录上证路演中心网站首页，点击"提问预征集"栏目或通过公司邮箱 dsh@quartzpacific.com 进行提问。公司将在说明会上对投资者普遍关注的问题 进行回答。 江苏太平洋石英股份有限公司（以下简称"公司"）已于 2025 年 08 月 23 日发布公司 2025 年半年度报告，为便于广大投资者更全面深入地了解公司 2025 年上半年经营成果、财务状况，公司计划于 2025 年 09 月 05 日（星期五） 10:00-11:00 举行 2025 半年度业绩说明会，就投资者关心的问题进行交流。 一、 说明会类型 证券代码：603688 证券简称：石英股份 公告编号：临 2025-032 江苏太平洋石英股份有限公司 关于召开 2025 年半年度业绩说明会的公告 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法律责任。 重要内容提示： https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心网络互动 ...

Market Overview - The Shanghai Composite Index fell by 0.39% on August 26, with 17 industries experiencing gains, led by Agriculture, Forestry, Animal Husbandry, and Fishery, and Beauty and Personal Care, which rose by 2.62% and 2.04% respectively [1] - The Basic Chemical industry ranked third in terms of gains, while the Pharmaceutical and Biological industry and Non-Bank Financials saw declines of 1.09% and 1.06% respectively [1] - Overall, there was a net outflow of 68.855 billion yuan in the main funds across the two markets, with only two industries seeing net inflows: Beauty and Personal Care (net inflow of 276 million yuan) and Agriculture, Forestry, Animal Husbandry, and Fishery (net inflow of 257 million yuan) [1] Basic Chemical Industry Performance - The Basic Chemical industry increased by 1.26% despite a net outflow of 858 million yuan in main funds, with 402 stocks in the sector, of which 256 rose and 133 fell [2] - Nine stocks hit the daily limit up, while one stock hit the daily limit down [2] - Among the stocks with net inflows, 177 saw inflows exceeding 100 million yuan, with the top inflow stock being Zhongke Titanium Dioxide, which had a net inflow of 326 million yuan [2] Top Gainers in Basic Chemical Industry - Zhongke Titanium Dioxide: +10.02%, turnover rate 7.12%, main fund flow 325.93 million yuan [3] - Baiao Chemical: +10.02%, turnover rate 4.55%, main fund flow 173.90 million yuan [3] - Stidik: +1.89%, turnover rate 11.69%, main fund flow 125.89 million yuan [3] Top Losers in Basic Chemical Industry - Quartz Shares: -4.17%, turnover rate 5.78%, main fund flow -272.16 million yuan [4] - Jinfat Technology: -1.39%, turnover rate 5.22%, main fund flow -251.23 million yuan [4] - Hangjin Technology: +1.99%, turnover rate 16.03%, main fund flow -148.18 million yuan [4]

Investment Rating - The report maintains an investment rating of "Synchronize with the market - A" for the electric equipment and new energy industry [1]. Core Viewpoints - The report highlights that the electric equipment and new energy industry has shown stable market performance over the past year, with key developments including the establishment of national technical standards for humanoid robots led by UBTECH and the ongoing discussions to prevent price wars in the photovoltaic sector [1][3][4]. Summary by Sections Preferred Stocks - The report lists several preferred stocks with their ratings, including: - Aishuo Co., Ltd. (600732.SH) - Buy - B - Longi Green Energy (601012.SH) - Buy - B - Daqian Energy (688303.SH) - Buy - B - Fulete (601865.SH) - Buy - A - Hengdian East Magnet (002056.SZ) - Buy - A - Sungrow Power Supply (300274.SZ) - Buy - A - Canadian Solar (688472.SH) - Buy - A - Deyang Co., Ltd. (605117.SH) - Buy - A - Langxin Group (300682.SZ) - Buy - B - Quartz Co., Ltd. (603688.SH) - Buy - A [2]. Industry Developments - UBTECH has led the approval of two national standards for humanoid robots, focusing on positioning navigation and human-machine interaction [3]. - A meeting held by the Ministry of Industry and Information Technology emphasized the importance of maintaining fair competition in the photovoltaic industry and called for the orderly exit of outdated production capacity [5]. - The China Photovoltaic Industry Association has proposed initiatives to strengthen industry self-discipline and maintain a fair market order [4]. Price Tracking - The report provides price tracking for various components in the photovoltaic supply chain: - Polysilicon prices remain stable at 44.0 CNY/kg [6]. - Silicon wafer prices are stable, with N-type wafers priced at 1.20 CNY/piece [7]. - Battery cell prices are also stable, with N-type cells priced at 0.290 CNY/W [8]. - Module prices for TOPCon dual-glass components are stable at 0.685 CNY/W [8]. - Glass prices for photovoltaic applications remain unchanged [8]. Investment Recommendations - The report recommends focusing on companies in various strategic directions: - BC new technology: Aishuo Co., Ltd., Longi Green Energy - Supply-side improvement: Daqian Energy, Fulete - Overseas layout: Hengdian East Magnet, Sungrow Power Supply, Canadian Solar, Deyang Co., Ltd. - Market-oriented electricity: Langxin Group - Domestic substitution: Quartz Co., Ltd. [9].

Market Overview - The Shanghai Composite Index fell by 0.39% on August 26, with 17 out of the 28 sectors rising, led by Agriculture, Forestry, Animal Husbandry, and Fishery, and Beauty and Personal Care, which increased by 2.62% and 2.04% respectively [2] - The Basic Chemical sector ranked third in terms of gains, while the sectors with the largest declines were Pharmaceutical Biology and Non-Bank Financials, down by 1.09% and 1.06% respectively [2] Capital Flow Analysis - The main capital outflow from the two markets totaled 68.855 billion yuan, with only two sectors experiencing net inflows: Beauty and Personal Care (net inflow of 276 million yuan) and Agriculture, Forestry, Animal Husbandry, and Fishery (net inflow of 257 million yuan) [2] - The Non-Ferrous Metals sector saw the largest net outflow, totaling 10.712 billion yuan, followed by Pharmaceutical Biology with a net outflow of 8.254 billion yuan [2] Basic Chemical Sector Performance - The Basic Chemical sector rose by 1.26% despite a net outflow of 858 million yuan, with 256 out of 402 stocks in the sector rising, including 9 hitting the daily limit [3] - Among the stocks with net inflows, the top performer was Zhongke Titanium White, with a net inflow of 326 million yuan, followed by Bai'ao Chemical and Sidike with inflows of 174 million yuan and 126 million yuan respectively [3] - The stocks with the largest net outflows included Quartz Shares, Jinfa Technology, and Hangjin Technology, with outflows of 272 million yuan, 251 million yuan, and 148 million yuan respectively [3][5] Top Gainers in Basic Chemical Sector - The following stocks had significant gains and capital inflows: - Zhongke Titanium White: +10.02%, 325.93 million yuan inflow [3] - Bai'ao Chemical: +10.02%, 173.90 million yuan inflow [3] - Sidike: +1.89%, 125.89 million yuan inflow [3] - New Hecheng: +2.25%, 123.19 million yuan inflow [3] - Lushi Chemical: +6.93%, 122.38 million yuan inflow [3] Top Losers in Basic Chemical Sector - The following stocks experienced significant losses and capital outflows: - Quartz Shares: -4.17%, -272.16 million yuan outflow [5] - Jinfa Technology: -1.39%, -251.22 million yuan outflow [5] - Hangjin Technology: +1.99%, -148.18 million yuan outflow [5] - Feilu Shares: -16.73%, -145.48 million yuan outflow [5] - New Hanhua Materials: -5.09%, -136.93 million yuan outflow [5]

Market Overview - The non-metal materials sector experienced a decline of 0.52% on August 26, with Quartz Co. leading the drop [1] - The Shanghai Composite Index closed at 3868.38, down 0.39%, while the Shenzhen Component Index closed at 12473.17, up 0.26% [1] Individual Stock Performance - Quartz Co. (603688) closed at 40.47, down 4.17% with a trading volume of 313,300 shares [1] - Ningxin New Materials (839719) closed at 16.14, down 1.82% with a trading volume of 44,800 shares [1] - Lianrui New Materials (688300) closed at 62.96, down 1.01% with a trading volume of 58,300 shares [1] - Dongfang Xiayuan (832175) closed at 12.86, down 1.00% with a trading volume of 33,100 shares [1] - Power Diamond (301071) closed at 31.54, down 0.76% with a trading volume of 48,800 shares [1] - Kuncai Technology (603826) closed at 20.60, down 0.68% with a trading volume of 58,500 shares [1] - Qilu Huaxin (830832) closed at 8.71, down 0.46% with a trading volume of 24,900 shares [1] - Bingyang Technology (836675) closed at 12.80, up 0.87% with a trading volume of 21,500 shares [1] - Tianma New Materials (838971) closed at 39.39, up 2.15% with a trading volume of 65,900 shares [1] - Longgao Co. (605086) closed at 29.34, up 2.48% with a trading volume of 59,100 shares [1] Capital Flow Analysis - The non-metal materials sector saw a net outflow of 168 million yuan from institutional investors, while retail investors contributed a net inflow of 148 million yuan [1] - Speculative funds recorded a net inflow of 19.89 million yuan into the sector [1]

Group 1 - The core viewpoint of the article highlights the growth in China's non-metallic mineral products industry, with significant increases in export value and market trends projected for 2025-2031 [1][3]. - In July 2025, the export value of the non-metallic mining industry reached 320 million, marking a year-on-year increase of 17.2% [1]. - From January to July 2025, the cumulative export value of the non-metallic mining industry was 2.1 billion, reflecting a year-on-year growth of 9.9% [1]. Group 2 - The article lists several publicly traded companies in the non-metallic mineral sector, including Changjiang Materials, Power Diamond, and Suotong Development, among others [1]. - A report by Zhiyan Consulting provides insights into the competitive landscape and future trends of the non-metallic mineral products industry in China [1].