Investment Rating - The report maintains an investment rating of "Synchronize with the market - A" for the power equipment and new energy industry [1]. Core Viewpoints - The report highlights the stable pricing in the photovoltaic industry chain and the recent developments in robotics, indicating a positive outlook for the sector [1][3]. - The National Energy Administration reported 8,658 new renewable energy projects in August 2025, with a significant focus on photovoltaic projects [4]. - The National Development and Reform Commission is addressing price disorder in the market, which may impact pricing strategies in the industry [5]. Summary by Relevant Sections Preferred Stocks - The report lists several preferred stocks with 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 - Sunshine Power (300274.SZ) - Buy-A - Deye Co., Ltd. (605117.SH) - Buy-A - Langxin Group (300682.SZ) - Buy-B - Quartz Co., Ltd. (603688.SH) - Buy-A - Bowei Alloy (601137.SH) - Buy-A [2]. Price Tracking - The report provides insights into the pricing trends of various components in the photovoltaic supply chain: - The average price of dense polysilicon is 51.0 CNY/kg, remaining stable [6]. - The average price of 182-183.75mm N-type silicon wafers is 1.35 CNY/piece, also stable [7]. - The average price of 182-183.75mm N-type battery cells is 0.32 CNY/W, maintaining stability [7]. - The average price of 182*182-210mm TOPCon double-glass modules is 0.693 CNY/W, remaining unchanged [8]. Investment Recommendations - The report recommends focusing on companies in various segments: - BC new technology direction: Aishuo Co., Ltd., Longi Green Energy - Supply-side direction: Daqian Energy, Fulete - Overseas layout direction: Bowei Alloy, Hengdian East Magnet - Light storage direction: Sunshine Power, Deye Co., Ltd. - Power marketization direction: Langxin Group - Domestic substitution direction: Quartz Co., Ltd. [9].

证券代码：603688 证券简称：石英股份 公告编号：临 2025-035 江苏太平洋石英股份有限公司 关于召开 2025 年第三季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 投资者可于 2025 年 10 月 22 日 （星期三） 至 10 月 28 日 （星期二）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"）将于 2025 年 10 月 25 日发布公司 2025 年第三季度报告，为便于广大投资者更全面深入地了解公司 2025 年第三季度经营成果、财务状况，公司计划于 2025 年 10 月 29 日 （星期 三） 10:00-11:00 举行 2025 年第三季度业绩说明会，就投资者关心的问题进行 交流。 ...

Core Viewpoint - The non-metal materials sector experienced a 2.2% increase on October 20, with significant gains led by Lili Diamond, while the Shanghai Composite Index rose by 0.63% and the Shenzhen Component Index increased by 0.98% [1] Group 1: Market Performance - The closing price of Lili Diamond was 48.22, reflecting an 18.71% increase, with a trading volume of 412,700 shares and a transaction value of 1.831 billion [1] - Other notable performers included Dongfang Shuo Yuan, which closed at 13.33 with a 10.53% increase, and Ningxin New Materials, which closed at 15.29 with a 5.74% increase [1] - The overall trading volume and transaction values for various stocks in the non-metal materials sector were significant, indicating active market participation [1] Group 2: Capital Flow - The non-metal materials sector saw a net outflow of 56.12 million from institutional investors, while retail investors contributed a net inflow of 27.20 million [2] - The capital flow data indicates that while institutional investors withdrew funds, retail investors were actively buying into the sector [2] Group 3: Individual Stock Capital Flow - Lili Diamond experienced a net outflow of 12.36 million from institutional investors, but had a net inflow of 460.75 million from retail investors [3] - In contrast, Longgao Co. saw a net outflow of 4.76 million from institutional investors, with retail investors contributing a net inflow of 361.27 million [3] - The data highlights varying investor sentiment across different stocks within the non-metal materials sector, with some stocks attracting retail interest despite institutional withdrawals [3]

Market Overview - The non-metal materials sector experienced a decline of 4.54% on October 17, with Tianma New Materials leading the drop [1] - The Shanghai Composite Index closed at 3839.76, down 1.95%, while the Shenzhen Component Index closed at 12688.94, down 3.04% [1] Individual Stock Performance - Tianma New Materials (code: 920971) closed at 36.72, down 9.11% with a trading volume of 56,700 shares and a transaction value of 219 million [1] - Strength Diamond (code: 301071) closed at 40.62, down 7.58% with a trading volume of 263,700 shares and a transaction value of 1.086 billion [1] - Quartz Shares (code: 603688) closed at 38.21, down 7.05% with a trading volume of 199,300 shares and a transaction value of 779 million [1] - Other notable declines include Lianrui New Materials (down 5.62%), Ningxin New Materials (down 3.15%), and Changjiang Materials (down 2.11%) [1] Capital Flow Analysis - The non-metal materials sector saw a net outflow of 225 million from main funds, while retail investors contributed a net inflow of 188 million [1] - The capital flow for individual stocks indicates that Longgao Co. (code: 605086) had a main fund net inflow of 7.38 million, while other stocks like Strength Diamond and Quartz Shares experienced significant net outflows of 56.80 million and 87.06 million respectively [2]

Core Insights - The non-metal materials sector experienced a slight increase of 0.17% on October 16, with Strength Diamond leading the gains [1] - The Shanghai Composite Index closed at 3916.23, up 0.1%, while the Shenzhen Component Index closed at 13086.41, down 0.25% [1] Sector Performance - Strength Diamond (301071) saw a closing price of 43.95, with a significant increase of 7.27% and a trading volume of 368,600 shares, amounting to a transaction value of 1.558 billion [1] - Other notable performers included Tianma New Materials (920971) with a 2.07% increase, and Suotong Development (603612) with a 1.79% increase [1] - Conversely, Longgao Co. (605086) and Jiangsu Changjiang Materials (001296) experienced declines of 2.42% and 2.15%, respectively [1] Capital Flow - The non-metal materials sector saw a net inflow of 95.9941 million in main funds, while retail funds experienced a net outflow of 76.1369 million [2][3] - Strength Diamond led the main fund inflow with 65.4779 million, while retail investors withdrew 63.7005 million [3] - Suotong Development also attracted significant main fund inflow of 40.6739 million, despite a retail outflow of 25.8334 million [3]

Core Viewpoint - High-purity quartz sand is identified as a core raw material for manufacturing silicon carbide chips [1] Company Summary - Quartz Co., Ltd. (石英股份) has confirmed the significance of high-purity quartz sand in the production of silicon carbide chips [1]

Core Viewpoint - Quartz Co., Ltd. has experienced a significant stock price increase of 49.30% year-to-date, despite a recent decline of 2.00% in its share price on October 14, 2023, indicating potential volatility in the market [1]. Financial Performance - For the first half of 2025, Quartz Co. reported a revenue of 515 million yuan, a year-on-year decrease of 30.13%, and a net profit attributable to shareholders of 107 million yuan, down 58.41% compared to the previous year [2]. - Cumulative cash dividends since the company's A-share listing amount to 3.374 billion yuan, with 2.945 billion yuan distributed over the last three years [3]. Stock Market Activity - As of October 14, 2023, the stock price was 42.61 yuan per share, with a trading volume of 719 million yuan and a turnover rate of 3.05%, resulting in a total market capitalization of 23.081 billion yuan [1]. - The stock has seen significant trading activity, with major funds experiencing a net outflow of 34.099 million yuan, while large orders accounted for 24.24% of buying and 26.26% of selling [1]. Shareholder Information - As of June 30, 2025, the number of shareholders increased to 63,700, reflecting a rise of 10.64%, while the average circulating shares per person decreased by 9.61% to 8,509 shares [2]. - Notable shareholders include Hong Kong Central Clearing Limited, which holds 8.0003 million shares, and Southern CSI 500 ETF, which increased its holdings by 574,900 shares [3].

Market Overview - On October 13, the non-metal materials sector rose by 0.52% compared to the previous trading day, with Qilu Huaxin leading the gains [1] - The Shanghai Composite Index closed at 3889.5, down 0.19%, while the Shenzhen Component Index closed at 13231.47, down 0.93% [1] Stock Performance - Qilu Huaxin (code: 920832) closed at 8.79, up 6.67% with a trading volume of 106,000 shares and a transaction value of 90.44 million yuan [1] - Other notable performers included: - Quartz Co. (code: 603688) closed at 43.48, up 6.05% with a transaction value of 1.21 billion yuan [1] - Dongfang Huizhen (code: 920175) closed at 13.19, up 5.52% with a transaction value of 12 million yuan [1] - Strength Diamond (code: 301071) closed at 35.75, up 2.38% with a transaction value of 774 million yuan [1] Capital Flow - The non-metal materials sector experienced a net outflow of 80.11 million yuan from institutional investors, while retail investors saw a net inflow of 99.35 million yuan [2][3] - The capital flow for individual stocks showed: - Strength Diamond had a net inflow of 13.92 million yuan from institutional investors [3] - Longgao Co. (code: 605086) had a net outflow of 2.91 million yuan from institutional investors [3] - Quartz Co. experienced a net outflow of 32.00 million yuan from institutional investors [3]

Group 1 - The core viewpoint is that the photovoltaic industry chain has reached a price and profit bottom, with significant effects from the "anti-involution" initiative, leading to an expansion of participants and recovery in product prices [1] - The photovoltaic industry is expected to achieve supply-side improvements through a combination of top-level support, market-driven elimination, and technological iteration, with policies related to capacity and product quality expected to be implemented [1] - As of October 13, 2025, the CSI Photovoltaic Industry Index (931151) has decreased by 2.17%, with mixed performance among constituent stocks [1] Group 2 - As of September 30, 2025, the top ten weighted stocks in the CSI Photovoltaic Industry Index (931151) include Yangguang Electric (300274), Longi Green Energy (601012), and TBEA (600089), collectively accounting for 58.02% of the index [2]

Market Overview - The non-metal materials sector experienced a decline of 1.58% on October 10, with Quartz Co. leading the drop [1] - The Shanghai Composite Index closed at 3897.03, down 0.94%, while the Shenzhen Component Index closed at 13355.42, down 2.7% [1] Stock Performance - Notable gainers in the non-metal materials sector included: - Dongfang Huishang: closed at 12.50, up 2.12% with a trading volume of 105,100 shares [1] - Qilu Huaxin: closed at 8.24, up 1.85% with a trading volume of 22,700 shares [1] - Lianrui New Materials: closed at 63.40, up 1.28% with a trading volume of 66,900 shares [1] - Significant decliners included: - Quartz Co.: closed at 41.00, down 5.36% with a trading volume of 215,700 shares [2] - Power Diamond: closed at 34.92, down 1.74% with a trading volume of 291,400 shares [2] Capital Flow - The non-metal materials sector saw a net outflow of 215 million yuan from institutional investors, while retail investors contributed a net inflow of 133 million yuan [2][3] - The capital flow for key stocks showed: - Lianrui New Materials: net inflow of 1.7753 million yuan from institutional investors [3] - Quartz Co.: net outflow of 13.17 million yuan from institutional investors [3] - Longgao Co.: net outflow of 4.3353 million yuan from institutional investors [3]