证券代码：300346 证券简称：南大光电 公告编号：2025-056 江苏南大光电材料股份有限公司 注册资本：69115.6903 万元整 关于完成工商变更登记的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整， 没有虚假记载、误导性陈述或重大遗漏。 江苏南大光电材料股份有限公司（以下简称"公司"）2025 年第四次临时 股东大会审议通过了《关于变更注册资本及修订<公司章程>的议案》。因已实 施完毕的 2024 年度权益分派方案涉及资本公积金转增股本事项，公司总股本由 575,964,086 股增加至 691,156,903 股，注册资本由人民币 575,964,086 元增加至 人民 691,156,903 元。具体内容详见公司在中国证监会指定的创业板信息披露网 站披露的相关公告。 近日，公司完成了工商变更登记手续，取得了苏州市数据局换发的《营业 执照》，具体信息如下： 统一社会信用代码：91320000724448484T 名 称：江苏南大光电材料股份有限公司 类 型：股份有限公司（上市） 住 所：苏州工业园区胜浦平胜路 67 号 法定代表人：冯剑松 成立日期：2000 年 12 月 28 ...

Industry Overview - The semiconductor materials sector is becoming a core focus in the capital market, with electronic chemicals playing a crucial role in the semiconductor manufacturing process, accounting for 10%-20% of total chip costs but directly influencing chip performance and yield [1] - The Chinese semiconductor market showed significant growth, reaching a scale of $113.5 billion from January to July 2025, representing an 11.1% year-on-year increase, indicating an expansion phase for upstream materials [1][2] - The global semiconductor materials market is projected to reach $70 billion by 2025, with China's key electronic materials market expected to reach 174.08 billion yuan, a 21.1% year-on-year growth [2] Core Logic - The investment value in the electronic chemicals industry is driven by its unique consumable nature and vast domestic substitution potential, ensuring stable demand as long as wafer fabs are in operation [3] - Major companies in the electronic chemicals sector, such as Anji Technology and Shanghai Xinyang, reported significant revenue growth of 43.17% and 35.67% respectively in the first half of 2025, with net profit growth rates of 60.53% and 126.31% [3] - The domestic substitution potential varies across different segments, with the photolithography sector having the largest substitution space due to long-standing foreign monopolies [3][4] Key Company Analysis - Anji Technology (688019) is a leading player in the CMP polishing liquid market, increasing its market share from 5% in 2021 to 8% in 2023, and holding a 30.8% share in the domestic market [5] - Jianghua Micro (603078) specializes in wet electronic chemicals, with a market share of approximately 4.58% and a total revenue starting at 1.03 billion yuan in 2023, indicating significant growth potential [6] - Nanda Optoelectronics (300346) is a pioneer in the photolithography sector, with over 40% market share in MO source supply and ongoing development of ArF photolithography products [7] - Huate Gas (688268) leads the electronic specialty gases market, achieving over 60% market share in domestic photolithography gases and successfully replacing imports with its products [8] - Yake Technology (002409) has a comprehensive layout in semiconductor materials, particularly in advanced precursor materials, enhancing customer stickiness through a complete product line [9][10]

Group 1 - The OLED concept sector increased by 3.03%, ranking 10th among concept sectors, with 126 stocks rising, including Jiangfeng Electronics which hit a 20% limit up [1] - Notable gainers in the OLED sector include Tongcheng New Materials, Beifang Huachuang, and Glinda, all reaching the limit up, while Jingwang Electronics, Lihexing, and Hanbo High-tech saw significant declines [1][2] - The OLED sector attracted a net inflow of 5.884 billion yuan from main funds, with 91 stocks receiving net inflows, and 21 stocks exceeding 100 million yuan in net inflows [2] Group 2 - The top net inflow stocks in the OLED sector include Beifang Huachuang with 1.215 billion yuan, followed by Haowei Group, Jiangfeng Electronics, and Lens Technology [2] - The net inflow ratios for Glinda, Tongcheng New Materials, and Taiji Industry were the highest at 25.46%, 19.66%, and 17.32% respectively [3][4] - Jiangfeng Electronics had a trading volume of 54.518 million yuan and a net inflow ratio of 14.50% [3][4] Group 3 - The overall market performance showed a mixed trend, with some sectors like the third-generation semiconductors and advanced packaging also experiencing gains [2] - The market dynamics indicate a strong interest in OLED technology, reflected in the significant capital inflows and stock performance [2][3]

Group 1 - The photoresist concept index rose by 4.06%, ranking fifth among concept sectors, with 68 stocks increasing in value [1][2] - Notable gainers include United Chemical, which hit the daily limit up of 20%, and other companies like Huasoft Technology, Baihehua, and Tongcheng New Materials also reached the daily limit [1][2] - The top gainers in the sector included Nanda Optoelectronics, Huarong Chemical, and Anji Technology, with increases of 12.50%, 11.95%, and 11.88% respectively [1][2] Group 2 - The photoresist concept sector saw a net inflow of 1.993 billion yuan, with 48 stocks receiving net inflows, and 11 stocks exceeding 100 million yuan in net inflow [2][3] - The leading stock in terms of net inflow was Tongcheng New Materials, which attracted 314 million yuan, followed by Jingfang Technology, Nanda Optoelectronics, and Yake Technology with net inflows of 274 million yuan, 188 million yuan, and 165 million yuan respectively [2][3] Group 3 - In terms of net inflow ratio, Huasoft Technology, Glinda, and Baihehua led with net inflow ratios of 64.64%, 25.46%, and 23.92% respectively [3][4] - The photoresist concept stocks with significant trading activity included Tongcheng New Materials with a trading increase of 10.01% and a turnover rate of 6.68% [3][4]

Core Viewpoint - Despite warnings from the Federal Reserve about high stock valuations, the Chinese technology sector, particularly semiconductor stocks, continues to perform well in the market [1][2]. Group 1: Semiconductor Sector Performance - The semiconductor sector is leading the market, with significant gains in stocks such as Changchuan Technology and Jiangfeng Electronics, which hit the daily limit up of 20%, and Huahai Qingshi and Nanda Optoelectronics rising over 12% [2]. - The semiconductor equipment ETF, E Fund (159558), reached a closing increase of 9.44%, with a nearly 31% rise over the past ten days, indicating strong investor interest [2]. - The overall semiconductor and components index has outperformed the broader market since September, showcasing a clear trend of leading stocks driving the entire sector [13][15]. Group 2: Positive Catalysts - Major technological advancements have been reported, including new developments in advanced packaging equipment and significant awards at industry exhibitions [4][6]. - Alibaba's CEO announced a substantial investment of 380 billion in AI infrastructure, which is expected to drive demand for AI chips, further benefiting the semiconductor sector [5][6]. - Domestic semiconductor companies are experiencing growth in orders and market share, particularly in key areas like AI GPUs and semiconductor equipment, with several new AI chips set to launch in the coming years [7]. Group 3: Financial Performance - The financial data from key semiconductor companies show robust growth, with companies like Zhongwei Company and Beifang Huachuang reporting significant revenue increases [17]. - The visibility of future earnings is strong, with many companies' orders extending into 2026 and beyond, providing a buffer against macroeconomic fluctuations [17]. Group 4: Valuation Dynamics - The current market valuation of domestic semiconductors has surpassed traditional cyclical industry frameworks, driven by high growth expectations, strategic importance, and improved earnings visibility [20][22]. - The semiconductor market in China is now driven by both market demand and supply chain security, making domestic semiconductor companies essential for many downstream enterprises [22]. - The favorable macroeconomic environment, including expectations of a shift to looser monetary policy by the Federal Reserve, is likely to enhance the valuation of long-duration assets like semiconductors [28]. Group 5: Investment Outlook - The recent performance of the domestic semiconductor sector is attributed to multiple factors, including policy support, technological breakthroughs, and favorable liquidity conditions [31]. - The investment value of domestic semiconductors is expected to deepen as the AI revolution progresses and China transitions from a manufacturing powerhouse to a technology leader [35].

Market Performance - The electronic chemicals sector increased by 5.44% on September 24, with Xingfu Electronics leading the gains [1] - The Shanghai Composite Index closed at 3853.64, up 0.83%, while the Shenzhen Component Index closed at 13356.14, up 1.8% [1] Stock Highlights - Xingfu Electronics (688545) closed at 39.32, up 19.99% with a trading volume of 249,900 shares and a transaction value of 929 million [1] - Nanda Optoelectronics (300346) closed at 42.94, up 12.50% with a trading volume of 1,514,700 shares [1] - Anji Technology (610889) closed at 218.50, up 11.88% with a transaction value of 1.977 billion [1] - Other notable stocks include Grinda (603931) up 9.99% and Shanghai Xinyang (300236) up 9.71% [1] Capital Flow - The electronic chemicals sector saw a net inflow of 1.278 billion from institutional investors, while retail investors experienced a net outflow of 561 million [2][3] - The main stocks with significant net inflows include Nanda Optoelectronics with 190 million and Xingfu Electronics with 143 million [3] Individual Stock Performance - Nanda Optoelectronics had a net inflow of 1.90 billion from institutional investors, while retail investors had a net outflow of 1.21 billion [3] - Xingfu Electronics experienced a net inflow of 1.43 billion from institutional investors, with retail investors seeing a net outflow of 557 million [3] - Other stocks like Zhongjuxin (688549) and Rongda Photosensitive (300576) also reported significant net inflows from institutional investors [3]

Group 1 - The A-share market showed a strong rebound on September 24, with the Shanghai Composite Index rising by 0.83%, the Shenzhen Component Index by 1.80%, and the ChiNext Index by 2.28% [1] - The semiconductor sector was a major driver of this growth, with significant increases in semiconductor equipment, silicon wafers, materials, and related industries [1] - The 25th China International Industry Fair highlighted the launch of demonstration platforms for mid-test in Shanghai, which is expected to accelerate the domestic production of key materials like photoresists and optical components [1] Group 2 - Alibaba announced the launch of its largest and most powerful model, Qwen3-Max, which has surpassed GPT-5-Chat in rankings [2] - Alibaba's CEO indicated plans to increase capital expenditure beyond the initial 380 billion yuan, with a projection that the energy consumption of Alibaba Cloud's global data centers will increase tenfold by 2032 [2] - Goldman Sachs raised the 12-month target price for SMIC's H-shares from 73.1 HKD to 83.5 HKD, citing a clearer long-term demand outlook for AI chips in China [2] Group 3 - Since the "9.24" market rally began last year, the A-share market has seen improvements in market capitalization, trading activity, and investor confidence, with margin trading balances also rising [3] - The current market rally is attributed to a combination of systematic policy support, recovery in earnings fundamentals, and long-term capital inflows, indicating a potential shift to a more favorable long-term market environment [3] - The CSI A500 Index saw a strong increase of 1.39%, with significant gains in key stocks such as Changchuan Technology and Huahai Qingshi [3] Group 4 - Dongguan Securities noted that despite recent market consolidation, overall risk appetite remains intact, with a mid-term bull market still in the making due to fundamental recovery and improved earnings expectations [4] - Huaxi Securities emphasized that a "slow bull" market logic remains unchanged, with Chinese companies demonstrating strong product capabilities in AI, biomedicine, and high-end manufacturing [4] - The A500 ETF is positioned to provide balanced exposure to quality leading companies across various sectors, aligning with the core assets of the A-share market [4]

Group 1 - The semiconductor sector has shown significant upward movement, with stocks such as ShenGong Co., Jiangfeng Electronics, and Changchuan Technology hitting a 20% limit up [1] - Other companies like Beifang Huachuang and Lianang Micro also reached the limit up, while Jingyi Equipment, Huahai Qingke, and Nanda Optoelectronics saw increases of over 10% [1]

Group 1 - The large fund concept sector experienced a significant increase, with notable stocks such as Tongfu Microelectronics hitting the daily limit [1] - Other companies that saw substantial gains include Changchuan Technology, Nanda Optoelectronics, Jingrui Electric Materials, Northern Huachuang, Yake Technology, and Feikai Materials [1]

Core Viewpoint - The semiconductor sector in the A-share market has shown significant strength, with multiple stocks experiencing substantial gains, driven by rising prices in advanced semiconductor manufacturing processes and supply shortages in related components [1][2]. Group 1: Stock Performance - ShenGong Co. (688233) reached a 20% increase, closing at 44.51 with a total market value of 75.80 billion and a year-to-date increase of 90.29% [2]. - Jiangfeng Electronics (300666) rose by 15.97%, with a latest price of 95.50 and a market capitalization of 253 billion, reflecting a year-to-date increase of 38.09% [2]. - Changchuan Technology (300604) saw a 14.24% increase, closing at 91.70 with a market value of 578 billion and a year-to-date increase of 108.26% [2]. - Other notable performers include Huicheng Co. (688403) with a 13.30% rise, MicroNano (12.52%), and Shengmei Shanghai (10.19%) [2]. Group 2: Market Drivers - Industry reports indicate that TSMC's last-generation 3nm CPU prices have increased by approximately 20% compared to the previous generation, with a further expected price increase of over 50% for the upcoming 2nm process [1]. - The semiconductor inflation is being fueled by high demand and supply shortages for memory chips and hard drives, contributing to the overall market strength [1].