Market Overview - The non-metal materials sector declined by 0.61% compared to the previous trading day, with Lianrui New Materials leading the decline [1] - The Shanghai Composite Index closed at 3959.62, up 0.47%, while the Shenzhen Component Index closed at 13531.41, up 0.33% [1] Stock Performance - Notable gainers in the non-metal materials sector included: - Changjiang Materials: closed at 28.62, up 3.28% with a trading volume of 122,400 shares and a turnover of 347 million yuan [1] - Tianma New Materials: closed at 31.85, up 2.84% with a trading volume of 27,600 shares and a turnover of 87.48 million yuan [1] - Suotong Development: closed at 24.13, up 2.38% with a trading volume of 156,000 shares and a turnover of 373 million yuan [1] - Lianrui New Materials closed at 64.66, down 2.74% with a trading volume of 47,500 shares and a turnover of 309 million yuan [2] Capital Flow - The non-metal materials sector saw a net inflow of 9.16 million yuan from institutional investors, while retail investors experienced a net inflow of 29.47 million yuan [2] - Retail investors' net outflow was 38.63 million yuan, indicating a mixed sentiment in the market [2] Individual Stock Capital Flow - Suotong Development had a significant net outflow from institutional investors of 46.39 million yuan, while retail investors had a net inflow of 2.32 million yuan [3] - Lianrui New Materials experienced a net inflow of 3.03 million yuan from institutional investors, but a net outflow of 15.28 million yuan from retail investors [3] - Tianma New Materials saw a net inflow of 10.59 million yuan from institutional investors, with a slight net outflow from retail investors [3]

Core Viewpoint - Quartz Co., Ltd. has experienced a stock price increase of 30.45% year-to-date, but recent trading data indicates a decline in stock performance and significant net outflow of funds [2][1]. 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%, and a net profit attributable to shareholders of 135 million yuan, down 56.81% year-on-year [2]. - Cumulative cash dividends since the A-share listing amount to 3.374 billion yuan, with 2.945 billion yuan distributed over the past three years [3]. Stock Market Activity - As of December 25, the stock price was 37.23 yuan per share, with a market capitalization of 20.167 billion yuan. The trading volume was 1.20 billion yuan, with a turnover rate of 0.59% [1]. - The stock has appeared on the "Dragon and Tiger List" twice this year, with the most recent occurrence on April 9 [2]. Shareholder Structure - As of September 30, 2025, the number of shareholders 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]. - Notable shareholders include Hong Kong Central Clearing Limited, which increased its holdings by 3.6438 million shares, and new entrants such as Guotai Asset Advantage Mixed Fund [3].

Core Viewpoint - The company has successfully passed certifications for its self-produced high-purity quartz sand used in semiconductor diffusion and etching applications, and has secured a certain volume of orders from significant domestic and international clients [1] Group 1 - The company has confirmed that its high-purity quartz sand products have been certified by important domestic and international customers [1] - There is a certain volume of orders that have been secured for the high-purity quartz sand products [1] Group 2 - The company is making steady progress in the research and development of synthetic quartz sand, which is currently in the pilot testing phase [1]

格隆汇12月22日丨石英股份(603688.SH)在互动平台表示，公司用自产高纯石英砂生产的半导体扩散、 刻蚀领域用石英材料已通过了国内外重要客户认证，并有一定量订单落地。在高纯石英砂业务方面，公 司合成石英砂研发进展顺利，目前处于中试阶段。 ...

Market Overview - The non-metal materials sector increased by 0.11% compared to the previous trading day, with Ningxin New Materials leading the gains [1] - The Shanghai Composite Index closed at 3890.45, up by 0.36%, while the Shenzhen Component Index closed at 13140.22, up by 0.66% [1] Stock Performance - Ningxin New Materials (code: 920719) closed at 13.56, with a rise of 6.60% and a trading volume of 87,200 shares, amounting to a transaction value of 119 million yuan [1] - Suotong Development (code: 603612) closed at 23.05, up by 2.13% with a trading volume of 125,800 shares [1] - Other notable stocks include: - Dongfang Huizhen (code: 920175) at 11.95, up by 1.79% [1] - Bingyang Technology (code: 920675) at 10.45, up by 0.58% [1] - Qilu Huaxin (code: 920832) at 7.60, up by 0.40% [1] - Quartz Shares (code: 603688) at 35.82, up by 0.36% [1] Capital Flow - The non-metal materials sector experienced a net outflow of 53.54 million yuan from institutional investors, while retail investors saw a net inflow of 43.71 million yuan [2] - The capital flow for individual stocks shows: - Longao Co. (code: 605086) had a net outflow of 13.07 million yuan from institutional investors [3] - Ningxin New Materials had a net inflow of 13.25 million yuan from institutional investors [3] - Strength Diamond (code: 301071) had a net inflow of 7.36 million yuan from retail investors [3]

证券日报网讯 12月18日，石英股份在互动平台回答投资者提问时表示，公司二期项目已稳定量产，生 产节奏按计划推进；三期项目中年产6万吨高纯石英砂产线已完成建设并顺利投入生产。公司严格遵循 高标准生产与检测流程，产品质量始终如一，能充分满足客户需求。 （文章来源：证券日报） ...

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 industry has shown significant developments, including a major order for humanoid robots from a leading AI model company, valued at over 50 million RMB, highlighting the integration of AI and robotics [2] - The Central Economic Work Conference has set the agenda for 2026, focusing on energy independence and green transformation, which will drive the demand for renewable energy solutions [4] - The report emphasizes the importance of optimizing market pricing for centralized renewable energy generation, as outlined by the National Development and Reform Commission and the National Energy Administration [5] Summary by Relevant Sections Stock Recommendations - Recommended stocks include: - Aiyu Co., Ltd. (600732.SH) - Buy - B - Longi Green Energy (601012.SH) - Buy - B - Daqo New Energy (688303.SH) - Buy - B - Haibo Innovation (688411.SH) - Buy - A - Sungrow Power Supply (300274.SZ) - Buy - A - Deye Technology (605117.SH) - Buy - A - Langxin Group (300682.SZ) - Buy - B - Quartz Co., Ltd. (603688.SH) - Buy - A - Hengdian East Magnet (002056.SZ) - Buy - A [3][4][7] Price Tracking - The average price of polysilicon remains stable at 52.0 RMB/kg, while the average price of silicon wafers and battery cells has shown signs of stabilization after previous declines [6][8][9] Investment Suggestions - Key recommendations focus on various sectors: - BC new technology: Aiyu Co., Ltd., Longi Green Energy - Supply-side: Daqo New Energy, Fulete - Energy storage: Haibo Innovation, Sungrow Power Supply, Deye Technology - Market-oriented: Langxin Group - Domestic substitution: Quartz Co., Ltd. - Overseas expansion: Hengdian East Magnet, Bowei Alloy [10]

Group 1 - The core viewpoint of the article is that Quartz Co., Ltd. (603688.SH) has a significant export business, primarily targeting markets in Europe, America, Japan, South Korea, and Southeast Asia [1] Group 2 - The company's products are distributed across multiple regions, indicating a diversified market presence [1]

每经AI快讯，有投资者在投资者互动平台提问：注意到贵公司存在境外收入，请问近两年是否出口欧 盟国家？ 石英股份（603688.SH）12月15日在投资者互动平台表示，公司产品出口业务主要销往欧美、日韩及东 南亚等多个地区。 （记者 王晓波） ...

Core Insights - The domestic market for high-end quartz crystal resonators is experiencing strong demand, prompting local manufacturers to expand production capacity and increase R&D investment to enhance their supply capabilities in the high-end market [1][10] - The quartz crystal resonator industry in China has grown from 5.496 billion yuan in 2015 to 8.288 billion yuan in 2024, with a compound annual growth rate (CAGR) of 4.67% [1][10] - Emerging applications in 5G communication, wearable electronics, automotive electronics, and the Internet of Things (IoT) are driving significant market opportunities for the quartz crystal resonator industry [1][10] Industry Overview - Quartz crystal components, known as crystal oscillators, are frequency control devices made from quartz crystals utilizing the piezoelectric effect [2][4] - The industry is categorized into quartz crystal resonators and oscillators, with further classifications based on frequency and packaging methods [2][4] Industry Policies - The Chinese government has increased policy support for the quartz crystal resonator industry, promoting new electronic components and smart manufacturing [7] - Key policies include the inclusion of new electronic components in the encouraged category of the 2024 Industrial Structure Adjustment Guidance Catalog and the 2025-2026 Action Plan for Stable Growth in the Electronic Information Manufacturing Industry [7] Industry Chain - The quartz crystal resonator industry chain consists of upstream raw materials (quartz sand, packaging materials), midstream manufacturing, and downstream applications (communication devices, consumer electronics) [6][8] Current Industry Development - Since 2018, Japanese companies have reduced capital expenditures, creating opportunities for Chinese manufacturers to expand in the quartz crystal resonator market [10] - From 2015 to 2024, China's production of quartz crystal resonators increased from 11.94 billion units to 23.298 billion units, with a CAGR of 7.71% [10] Competitive Landscape - The industry features a tiered competitive structure, with international giants leading the high-end market and domestic companies like Unisoc, Dongjing Electronics, and others gaining ground in mid to high-end segments [10][11] - Domestic companies are increasing R&D investments to enhance product consistency and reliability, narrowing the gap with international competitors [10] Development Trends - The industry is moving towards miniaturization, high frequency, low phase noise, and low aging rates to meet the demands of advanced applications [13][14][17] - Manufacturers are focusing on advanced packaging technologies and optimizing design processes to achieve these goals [13][14][17]