Summary of Quartz Co., Ltd. Conference Call Company and Industry Overview - Quartz Co., Ltd. is a leading domestic supplier of quartz materials and the only domestic supplier certified for semiconductor sand, benefiting from accelerated domestic substitution of semiconductor materials and increased supply chain security demands [2][5][12] - The semiconductor quartz materials industry exceeds 10 billion and continues to expand, with significant barriers in manufacturing and certification [2][12] Key Points and Arguments - The company's self-supply capability for semiconductor sand is expected to increase from 0% to 100%, potentially enhancing profitability by 2.9% to 18% [2][11] - The high-purity sand market for photovoltaics has stabilized at around 30,000 yuan per ton, with expectations for future shipments to recover to over 20,000 tons annually [2][15] - If the U.S. implements export controls on high-purity sand, it could accelerate Quartz Co., Ltd.'s replacement in the semiconductor sand sector and raise prices for photovoltaic high-purity sand, providing additional performance elasticity [2][17] - The demand for high-purity sand is approximately 25,000 tons, corresponding to a market space of about 4 to 5 billion yuan, previously dominated by overseas operators [2][6] Industry Dynamics - The semiconductor sand purification process is critical and involves long-term accumulation, requiring matching with different mineral source characteristics and ensuring product stability [3][7] - The industry is characterized by high barriers to entry, with most companies struggling to meet the stringent requirements for certification and manufacturing [12][10] Future Outlook - The semiconductor materials industry is projected to continue expanding, with significant growth potential as domestic substitution accelerates [4][12][18] - Quartz Co., Ltd. has a competitive edge due to its established certification and ability to adapt to customer needs, positioning it favorably against traditional foreign enterprises [13][18] - The company is focusing on three core business areas: semiconductor high-purity sand, semiconductor production materials, and photovoltaic high-layer sand, all of which have promising development prospects [18] Additional Insights - The company’s shipment volume was 34,000 tons in 2023, with a projected volume of only over 5,000 tons in 2024, indicating a bottoming phase [15] - The purification process for semiconductor sand is a significant challenge, with few companies able to supply stable products, highlighting the high barriers in the industry [7][10] - The current supply-demand balance in the high-purity sand market is expected to stabilize, with potential price increases if supply-side controls are implemented [14][17]

Core Viewpoint - The article highlights the transformation of Lianyungang, particularly Donghai County, from a traditional crystal industry hub to a modern silicon materials industry cluster, emphasizing the strategic importance of silicon in high-tech applications and the region's potential for future growth in new materials [5][17][39]. Group 1: Crystal Industry - Donghai County is recognized as the "World Crystal Capital," with a crystal production capacity projected to reach 450 million pieces and a transaction value exceeding 46 billion yuan in 2024 [6][8]. - The county holds over 300,000 tons of crystal reserves, accounting for more than 70% of the national total [7][10]. - The local crystal industry has evolved into a comprehensive supply chain covering raw material procurement, design, production, marketing, and logistics [8]. Group 2: Silicon Industry - Donghai County has developed a significant silicon industry, with 85% of the national quartz material production enterprises located there, and over 600 silicon industrial companies [12]. - The market shares for high-purity quartz sand, quartz glass products, and fused quartz in China are 90%, 80%, and 70% respectively [12]. - The region's silicon industry has been recognized as a national high-tech industry base and has received various governmental approvals to enhance its development [12][14]. Group 3: New Materials Development - Lianyungang's new materials industry is projected to achieve a production value of 89.1 billion yuan in 2024, establishing itself as a highland for new materials in China [30]. - The city is focusing on creating a comprehensive new materials ecosystem that connects upstream raw materials with downstream applications, enhancing supply chain resilience [34][36]. - The establishment of various public service platforms for carbon fiber and silicon materials indicates a commitment to technological innovation and industry support [32].

Core Insights - The report highlights the integration of Grok voice assistant into Tesla's humanoid robot Optimus V3, marking a significant advancement in human-machine interaction [6] - The opening of the world's largest embodied intelligence data factory by Paccini in Tianjin aims to address the scarcity of high-quality datasets crucial for the development of robotics [6] - Yushu Technology has reported annual revenue exceeding 1 billion RMB, indicating strong growth and successful C-round financing [6] - The People's Daily emphasizes the need to eliminate "involution" competition to achieve high-quality development, advocating for market-oriented reforms [6] - In May 2025, the National Energy Administration issued 21.5 million green certificates, with an average trading price of 2.73 RMB per certificate, reflecting a 18.12% increase month-on-month [6] Market Trends - The report provides an overview of the domestic market indices, with the Shanghai Composite Index closing at 3,457.75, up 0.39% [5] - The prices of polysilicon and silicon wafers remain under pressure, with polysilicon prices stable at 35.0 RMB/kg and silicon wafer prices declining [8] - Battery cell prices have also decreased, with N-type battery cells averaging 0.235 RMB/W, down 2.1% from the previous week [8] - The report notes that the market for photovoltaic components is facing high uncertainty, with many manufacturers reducing production [8] Investment Recommendations - The report recommends focusing on companies involved in BC new technology, supply-side improvements, overseas expansion, and domestic substitution [8] - Specific companies highlighted for investment include Aiko, Longi Green Energy, and Xinyi Solar, among others [8] - It suggests actively monitoring companies related to humanoid robots, such as UBTECH and KOLI [8]

Investment Rating - The report maintains a "Synchronize with the Market - A" rating for the electric equipment and new energy industry [1] Core Viewpoints - The electric equipment and new energy industry has shown a stable market performance over the past year, with various companies recommended for investment based on their growth potential and market positioning [1][2] - The report highlights the integration of AI technologies in the industry, such as the introduction of the Grok voice assistant in Tesla's humanoid robot, which may revolutionize human-machine interaction [1][2] - The report emphasizes the importance of breaking away from "involutionary competition" to achieve high-quality development in the industry, as stated by the People's Daily [4] 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 - Flat Glass Group (601865.SH) - Buy - A - Hengdian East Magnetic (002056.SZ) - Buy - A - Sungrow Power Supply (300274.SZ) - Buy - A - Canadian Solar (688472.SH) - Buy - A - Deye Technology (605117.SH) - Buy - A - Langxin Group (300682.SZ) - Buy - B - Quartz Co., Ltd. (603688.SH) - Buy - A [2] Market Trends - The report notes a decline in prices across various segments of the solar industry, including polysilicon, silicon wafers, battery cells, and modules, indicating a bearish market sentiment [6][7][8][9] - The average price of polysilicon is reported at 35.0 CNY/kg, while silicon wafer prices have decreased by 3.2% for N-type wafers [6][7] - Battery cell prices have also seen a decline, with N-type cells priced at 0.235 CNY/W, reflecting ongoing inventory accumulation and weak downstream demand [8] Investment Recommendations - The report recommends focusing on companies with innovative technologies and strong market positions, such as Aishuo Co., Ltd. and Longi Green Energy for BC new technology, and Flat Glass Group for supply-side improvements [10] - Companies with overseas expansion strategies, such as Hengdian East Magnetic and Sungrow Power Supply, are also highlighted as potential investment opportunities [10] - The report suggests monitoring companies involved in humanoid robotics, including UBTECH and other related firms [10]

Investment Rating - The report maintains an "Accumulate" rating for the company with a target price of 47.00 CNY [5][11]. Core Insights - The semiconductor business has become the core growth driver for the company, with significant advancements in semiconductor sand certification. The importance of self-sufficiency has become more pronounced amid external uncertainties, and domestic substitution is expected to accelerate [2][11]. - The company has achieved breakthroughs in semiconductor-grade high-purity sand certification, which is crucial for semiconductor materials. This positions the company favorably in a market dominated by a few global suppliers [11]. - The photovoltaic business is stabilizing after a period of adjustment, with a focus on risk control. The price of high-purity sand has reached a bottom, and there is potential for recovery as the photovoltaic industry undergoes inventory reduction and capacity adjustments [11]. Financial Summary - Revenue projections show a significant increase in 2023, with expected revenue of 7,184 million CNY, followed by a sharp decline in 2024 to 1,210 million CNY, and gradual recovery in subsequent years [4][12]. - Net profit for 2023 is projected at 5,039 million CNY, with a drastic decrease to 334 million CNY in 2024, before recovering to 1,105 million CNY by 2027 [4][12]. - The earnings per share (EPS) is expected to drop to 0.62 CNY in 2024, with a gradual increase to 2.04 CNY by 2027 [4][12]. Market Data - The current stock price is 36.09 CNY, with a 52-week price range of 21.60-43.68 CNY. The total market capitalization is 19,549 million CNY [6][11]. - The company has a net asset value per share of 10.74 CNY, with a price-to-book ratio of 3.4 [7][11]. Industry Context - The semiconductor industry is experiencing a shift towards domestic suppliers due to geopolitical tensions, highlighting the importance of local sourcing for critical materials [11]. - The company is actively working on localizing its supply chain for semiconductor quartz materials, which is expected to enhance its competitive position in the market [11].

Core Viewpoint - The A500 ETF fund is closely tracking the CSI A500 Index, which reflects the overall performance of the most representative listed companies across various industries in China, with a focus on large market capitalization and liquidity [2][4]. Group 1: Market Performance - As of June 20, 2025, the CSI A500 Index rose by 0.04%, with notable increases in stocks such as Watson Bio (+6.51%) and Quartz Co. (+5.56%) [1]. - The A500 ETF fund's latest price is 0.94 yuan, with a trading volume of 12.47 billion yuan and a turnover rate of 8.16% [1]. - Over the past year, the A500 ETF fund has achieved an average daily trading volume of 35.81 billion yuan, ranking first among comparable funds [1]. Group 2: Fund Size and Composition - The current size of the A500 ETF fund is 152.45 billion yuan [1]. - As of May 30, 2025, the top ten weighted stocks in the CSI A500 Index account for 21.21% of the index, including Kweichow Moutai (4.28%) and CATL (2.96%) [2][4]. Group 3: Market Outlook - Central China Securities anticipates that the core drivers of the equity market in the second half of 2025 will include ongoing policy benefits, improved liquidity conditions, and a gradual economic recovery [1]. - The focus will be on technology innovation and domestic demand stimulation, with expectations of increased policy support for new productive forces [1].

证券代码：603688 证券简称：石英股份 公告编号：临 2025-027 江苏太平洋石英股份有限公司 关于董事会秘书离任及聘任董事会秘书的公告 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： 根据《中华人民共和国公司法》（以下简称"《公司法》"）、《上海证券交易所 股票上市规则》等有关规定，吕良益先生的辞任申请自董事会收到辞职报告时生 效。吕良益先生所负责的工作已经妥善交接，其职务变动不会对公司正常经营活 动产生不利影响。 截至本公告披露日，吕良益先生直接持有公司 95,625 股股票。辞职后，吕 良益先生将继续按照相关法律、法规及规范性文件的规定对其股份进行管理。 吕良益先生在担任公司董事会秘书期间恪尽职守、勤勉尽责，为公司经营管 理做出了突出贡献。公司及董事会对吕良益先生在任职期间为公司所做的贡献表 示衷心感谢！ 1 姓名 离任职务 离任时间 原定任期到 期日 离任原因 是否继续在上市 公司及其控股子 公司任职 具体职务 是否存在未 履行完毕的 公开承诺 吕良益 董事会秘 书 2025 年 06 月 15 ...

江苏太平洋石英股份有限公司 第五届董事会第十八次会议决议公告 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法律责任。 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"）第五届董事会第十八次 会议通知于 2025 年 06 月 13 日发出，会议于 2025 年 06 月 16 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，其中董事陈海伦、 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《关于聘任公司董事会秘书的议案》 同意聘任房婷婷女士为公司董事会秘书。具体内容详见公司同日于上海证券 交易所网站披露的《关于董事会秘书离任及聘任董事会秘书的公告》。 证券代码：603688 证券简称：石英股份 公告编号：临 2025-026 表决结果：【9】票赞成、【0】票反对、【0】票弃权。 ...

Core Viewpoint - The company, Quartz Co., is a leading enterprise in the high-purity quartz material industry, with a fully integrated production capability from raw quartz sand to finished products, positioning itself to capitalize on domestic substitution trends in the high-purity quartz sand market [1][2]. Group 1: Product and Market Position - The main products of the company include high-purity quartz sand, high-purity quartz tubes (rods, blocks, and cylinders), and high-purity quartz crucibles, with revenue contributions in 2024 being 17.61%, 80.28%, and 0.21% respectively [1]. - In 2021, the national production of high-purity quartz sand (4N5 grade or higher) was 80,000 tons, with the company producing 24,232 tons, accounting for 30.29% of the market share [1]. - The revenue distribution in 2024 across different application sectors shows that photovoltaic, lighting, and fiber semiconductors contribute 31.51%, 25.27%, and 41.32% respectively, with a significant increase in the photovoltaic sector due to rising prices [1]. Group 2: Technological and Competitive Advantages - The company has developed proprietary high-purity quartz sand purification technology, making it one of the few global players capable of large-scale production, alongside companies like Unimin and TQC [2]. - The high-purity quartz sand industry faces significant barriers, including the scarcity of stable high-purity mineral sources and stringent purity requirements for processing technology [2]. - Recent discoveries of high-purity quartz mineral deposits in regions like Xinjiang, Henan, and Anhui indicate a potential for domestic mineral source substitution, reducing reliance on foreign supplies [2]. Group 3: Semiconductor Market Potential - The semiconductor manufacturing process requires various quartz products, with the market for semiconductor quartz materials being substantial and characterized by high entry barriers due to purity requirements [3]. - In 2020, the domestic consumption of high-end high-purity quartz sand (4N5 grade and above) was 60,000 tons, with the semiconductor sector accounting for 43.3% of this demand [3]. - The estimated market size for high-purity quartz sand used in semiconductors in mainland China is approximately 3.499 billion yuan, with the overall market for semiconductor quartz devices estimated at 7.511 billion yuan [3]. Group 4: Certification and Supply Chain Control - The company is the only domestic entity to have passed the stringent certification processes required by major semiconductor equipment manufacturers, which is crucial for entering the wafer fabrication supply chain [4]. - The current geopolitical climate and trade restrictions have heightened the urgency for domestic semiconductor manufacturers to seek local suppliers, which may accelerate the adoption of the company's products [4]. Group 5: Financial Projections - Revenue forecasts for the company from 2025 to 2027 are projected at 1.383 billion, 1.825 billion, and 2.283 billion yuan, reflecting year-on-year growth rates of 14.3%, 31.93%, and 25.09% respectively [5]. - The net profit attributable to the parent company is expected to be 384 million, 531 million, and 691 million yuan for the same period, with corresponding growth rates of 15.07%, 38.35%, and 30.12% [5].

上海东方华银律师事务所 关于歟苏太平洋石英股份有限公司 差异化分红事项 之 法律意见书 上海市虹桥路 1591 号虹桥迎宾馆 34 号楼 电话：(8621) 68769686 传真：(8621) 58304009 上海东方华银律师事务所 关于歟苏太平洋石英股份有限公司 差异化分红事项 之法律意见书 致：歟苏太平洋石英股份有限公司 根据《中华人欑共和国公司法》（以下简称"《公司法》"）、《中华人欑共和国 证券法》（以下简称"《证券法》"）、《上海证券交易所交易规则》、《上市公司股份 回购规则》（以下简称"《回购规则》"）、《上海证券交易所上市公司自律监管指引 第 7 号——回购股份》（以下简称"《回购指引》"）等相关法律、法规、规章及规 舃性文件以及《歟苏太平洋石英股份有限公司章程》（以下简称"《公司章程》"） 的规定，本所律师就歟苏太平洋石英股份有限公司（以下简称"石英股份"或"公 司"）2024 年度利润分配涉及的差异化分红（以下简称"本次差异化分红"）相 关事项出具本法律意见书。 某些数据和结论的引述，并不意味着本所对这些数据、结论的真实性和准确性做 出任何明示或默示的保证。对于该等数据、报告的内容，本所 ...