Core Viewpoint - Nanda Optoelectronics has shown a mixed performance in stock price and financial results, with a notable increase in revenue and profit year-on-year, while experiencing fluctuations in stock price over recent trading periods [1][2]. Financial Performance - For the period from January to September 2025, Nanda Optoelectronics achieved a revenue of 1.884 billion yuan, representing a year-on-year growth of 6.83% [2]. - The net profit attributable to shareholders for the same period was 301 million yuan, reflecting a year-on-year increase of 13.24% [2]. - Cumulatively, the company has distributed a total of 507 million yuan in dividends since its A-share listing, with 293 million yuan distributed over the last three years [3]. Stock Market Activity - As of November 18, Nanda Optoelectronics' stock price was 37.70 yuan per share, with a market capitalization of 26.057 billion yuan [1]. - The stock has increased by 18.20% year-to-date, but has seen a decline of 2.20% over the last five trading days and 2.31% over the last twenty days [1]. - The company experienced a net inflow of 10.1888 million yuan in main funds, with significant buying activity from large orders [1]. Shareholder Structure - As of October 31, the number of shareholders for Nanda Optoelectronics was 117,900, a decrease of 9.46% from the previous period [2]. - The average number of circulating shares per shareholder increased by 10.45% to 5,564 shares [2]. - Notable institutional shareholders include E Fund's ChiNext ETF and Southern CSI 500 ETF, with some new entrants in the top ten shareholders [3]. Business Overview - Nanda Optoelectronics, established on December 28, 2000, and listed on August 7, 2012, specializes in the production, research, and sales of advanced electronic materials [1]. - The company's main business revenue composition includes specialty gas products (60.95%), precursor materials (27.80%), and other products (7.02%) [1]. - The company operates within the electronic chemicals sector, focusing on third-generation semiconductors, gallium nitride, and photolithography materials [1].

Market Overview - The electronic chemicals sector increased by 0.67% on November 17, with Siquan New Materials leading the gains [1] - The Shanghai Composite Index closed at 3972.03, down 0.46%, while the Shenzhen Component Index closed at 13202.0, down 0.11% [1] Stock Performance - Siquan New Materials (301489) closed at 184.89, up 4.89% with a trading volume of 46,100 shares and a transaction value of 849 million [1] - Other notable performers included: - Glinda (603931) at 30.98, up 3.96% with a trading volume of 172,300 shares [1] - Guanghua Technology (002741) at 23.88, up 3.06% with a trading volume of 665,400 shares [1] - National Ceramic Materials (300285) at 25.21, up 2.86% with a trading volume of 417,400 shares [1] Capital Flow - The electronic chemicals sector saw a net inflow of 598 million from institutional investors, while retail investors experienced a net outflow of 624 million [2][3] - Key stocks with significant capital flow included: - Guanghua Technology with a net inflow of 159 million from institutional investors [3] - Siquan New Materials with a net inflow of 124 million from institutional investors [3] - Glinda with a net inflow of 109 million from institutional investors [3]

Group 1 - The core point of the news is the significant increase in the stock price of Nanda Optoelectronics, which rose by 6.34% to 38.40 CNY per share, with a trading volume of 1.33 billion CNY and a turnover rate of 0.53%, leading to a total market capitalization of 26.54 billion CNY [1] - Nanda Optoelectronics, established on December 28, 2000, and listed on August 7, 2012, is a high-tech enterprise engaged in the production, research, and sales of advanced electronic materials, with applications in integrated circuits, flat panel displays, LEDs, third-generation semiconductors, photovoltaics, and semiconductor lasers [1] - The company's main business revenue composition includes specialty gas products at 60.95%, precursor materials (including MO sources) at 27.80%, other products at 7.02%, and additional supplementary products at 4.23% [1] Group 2 - From the perspective of fund holdings, one fund under the Fortune Fund has heavily invested in Nanda Optoelectronics, specifically the Fortune Hang Seng A-Share Specialized and New Enterprises ETF (563210), which increased its holdings by 26,900 shares in the third quarter, bringing the total to 51,800 shares, accounting for 2.54% of the fund's net value, making it the ninth largest holding [2] - The Fortune Hang Seng A-Share Specialized and New Enterprises ETF (563210) was established on January 16, 2025, with a latest scale of 88.689 million CNY and has achieved a return of 46.67% since its inception [2]

Core Insights - The New Materials 50 ETF (516710) increased by 0.29%, with significant gains in constituent stocks such as Tianhua Xinneng rising over 10%, Nanda Optoelectronics over 6%, and Jinfatech over 5% [1] Industry Overview - The "14th Five-Year Plan" suggests the development of emerging pillar industries, accelerating the growth of strategic emerging industry clusters in areas such as new energy, new materials, aerospace, and low-altitude economy, which could create several trillion-yuan markets [1] - According to Guoyuan Securities, new materials are crucial for new industrialization, and during the "14th Five-Year" period, materials like rare earth magnetic materials and tin-tungsten minor metals, which are critical, will receive policy support amid increasing international competition [1] Market Potential - These critical materials are not only essential for aerospace but also meet the demands of new energy batteries and high-end equipment industries, indicating that the market size will continue to expand alongside the development of downstream clusters [1] - The New Materials 50 ETF closely tracks the CSI New Materials Theme Index, which selects 50 listed companies involved in advanced steel, non-ferrous metals, chemicals, inorganic non-metals, and other key strategic materials to reflect the overall performance of new materials theme stocks [1]

证券代码：300346 证券简称：南大光电 公告编号：2025-068 江苏南大光电材料股份有限公司 2025年第五次临时股东会决议公告 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。 特别提示： 1、本次股东会无否决议案的情况； 2、本次股东会无涉及变更以往股东会决议的情形； 3、本次股东会采取现场投票和网络投票相结合的方式召开。 一、会议召开和出席情况 1、召集人：公司董事会； 2、表决方式：现场投票和网络投票相结合的方式； 3、会议召开时间： 现场会议时间：2025 年 11 月 14 日（星期五）14:30 网络投票时间：2025 年 11 月 14 日（星期五） （1）通过深圳证券交易所交易系统进行网络投票的具体时间为 2025 年 11 月 14 日 9:15-9:25、9:30-11:30、13:00-15:00； （2）通过深圳证券交易所互联网投票系统投票的具体时间为 2025 年 11 月 14 日上 午 9:15 至下午 15:00 期间的任意时间。 4、现场会议召开地点：苏州工业园区胜浦平胜路 67 号； 5、现场会议主持人：公司董事长冯 ...

北京国枫律师事务所 关于江苏南大光电材料股份有限公司 2025 年第五次临时股东会的 法律意见书 国枫律股字[2025] A0554 号 致：江苏南大光电材料股份有限公司（贵公司） 北京国枫律师事务所（以下简称"本所"）接受贵公司的委托，指派律师出席并见证 贵公司 2025 年第五次临时股东会（以下简称"本次会议"）。 本所律师根据《中华人民共和国公司法》（以下简称"《公司法》"）、《中华人民 共和国证券法》（以下简称"《证券法》"）、《上市公司股东会规则》（以下简称"《股 东会规则》"）、《律师事务所从事证券法律业务管理办法》（以下简称"《证券法律业务 管理办法》"）、《律师事务所证券法律业务执业规则（试行）》（以下简称"《证券法律业 务执业规则》"）等相关法律、行政法规、规章、规范性文件及《江苏南大光电材料股 份有限公司章程》（以下简称"《公司章程》"）的规定，就本次会议的召集与召开程序、 召集人资格、出席会议人员资格、会议表决程序及表决结果等事宜，出具本法律意见书。 对本法律意见书的出具，本所律师特作如下声明： 北京市东城区建国门内大街 26 号新闻大厦 7 层、8 层 电话：010-88004488/ ...

Core Viewpoint - Nanda Optoelectronics has shown a mixed performance in stock price and financial metrics, with a notable increase in revenue and net profit year-on-year, while experiencing fluctuations in stock price over recent trading periods [1][2]. Financial Performance - For the period from January to September 2025, Nanda Optoelectronics achieved a revenue of 1.884 billion yuan, representing a year-on-year growth of 6.83% [2]. - The net profit attributable to shareholders for the same period was 301 million yuan, reflecting a year-on-year increase of 13.24% [2]. - Cumulatively, the company has distributed a total of 507 million yuan in dividends since its A-share listing, with 293 million yuan distributed over the past three years [3]. Stock Market Activity - As of November 13, Nanda Optoelectronics' stock price was 37.72 yuan per share, with a market capitalization of 26.07 billion yuan [1]. - The stock has increased by 18.26% year-to-date, but has seen a decline of 3.23% over the last five trading days and 5.49% over the last 20 days [1]. - The company experienced a net inflow of 21.51 million yuan in principal funds, with significant buying activity from large orders [1]. Shareholder Structure - As of October 31, the number of shareholders for Nanda Optoelectronics was 117,900, a decrease of 9.46% from the previous period [2]. - The average number of circulating shares per shareholder increased by 10.45% to 5,564 shares [2]. - Notable institutional shareholders include E Fund's ChiNext ETF and Southern CSI 500 ETF, with some institutions reducing their holdings while others entered the top ten shareholders list [3].

Core Insights - The semiconductor photoresist industry is crucial for chip manufacturing, directly impacting chip resolution, yield, and cost, and is characterized by high technical barriers [1][2] - China is prioritizing the development of photoresists through multi-dimensional policy support, aiming for a market size of approximately $13.46 billion by 2024 [1][8] - Domestic companies are forming a multi-tiered industrial structure, with leading firms like Nanda Optoelectronics and Tongcheng New Materials achieving mass production and integration into supply chains [1][12] Industry Overview - Semiconductor photoresists, also known as photoresists, are materials that change solubility when exposed to radiation, playing a key role in accurately transferring circuit patterns onto wafers [2][3] - The market for semiconductor materials in China is projected to reach $13.46 billion in 2024, with a growth rate of approximately 2.85% [8][12] Policy Support - The Chinese government has established a comprehensive policy framework to support the semiconductor industry, including tax incentives and application demonstrations, to accelerate the development of photoresists [5][6] - Key policy documents include the "14th Five-Year Plan for the Development of Raw Materials Industry" and the "Action Plan for Stable Growth of Electronic Information Manufacturing Industry 2025-2026" [6][8] Industry Chain - The semiconductor photoresist industry chain in China is characterized by strong collaboration across upstream, midstream, and downstream sectors, with a clear path towards domestic production [6][8] - Domestic companies have achieved high self-sufficiency in mid-to-low-end raw materials, while high-end materials still require breakthroughs [6][10] Market Dynamics - The demand for high-end photoresists is increasing as chip manufacturing processes advance, with the market for photoresists expected to reach approximately 5.63 billion yuan in 2024 [12][14] - The domestic market is seeing a shift towards local alternatives, with KrF photoresists becoming the mainstay for mid-to-high-end applications and ArF photoresists achieving significant breakthroughs [12][14] Competitive Landscape - The global photoresist market is dominated by foreign giants, with Japanese and American companies holding about 87% of the market share [12][14] - Domestic companies are gradually increasing their market share in mature processes, with firms like Nanda Optoelectronics leading in ArF photoresists and Tongcheng New Materials dominating KrF photoresists [14][16] Future Trends - The semiconductor photoresist industry in China is expected to evolve along three main lines: technological breakthroughs, ecological collaboration, and competitive restructuring [15][16] - Future developments will focus on enhancing the performance of KrF and ArF photoresists, advancing EUV photoresist technology, and fostering vertical integration within the industry [15][16]

Market Overview - The electronic chemicals sector experienced a decline of 1.71% on November 12, with Huate Gas leading the drop [1] - The Shanghai Composite Index closed at 4000.14, down 0.07%, while the Shenzhen Component Index closed at 13240.62, down 0.36% [1] Stock Performance - Notable gainers in the electronic chemicals sector included: - Sanhu Xinke (688359) with a closing price of 78.40, up 3.43% [1] - Kaihua Materials (920526) at 26.17, up 1.87% [1] - Xingfu Electronics (688545) at 37.73, up 0.96% [1] - Major decliners included: - Huate Gas (688268) at 61.36, down 4.26% [2] - Nanda Optoelectronics (300346) at 36.98, down 4.07% [2] - Jinhong Gas (688106) at 21.16, down 3.56% [2] Trading Volume and Capital Flow - The electronic chemicals sector saw a net outflow of 748 million yuan from institutional investors, while retail investors had a net inflow of 712 million yuan [2] - The trading volume for key stocks included: - Sanhu Xinke with a volume of 29,400 hands and a transaction value of 229 million yuan [1] - Nanda Optoelectronics with a volume of 299,600 hands and a transaction value of 1.116 billion yuan [2] Capital Inflow Analysis - Key stocks with significant capital inflow included: - Sanhu Xinke with a net inflow of 37.08 million yuan from institutional investors [3] - Xingfu Electronics with a net inflow of 11.43 million yuan from institutional investors [3] - Stocks with notable outflows included: - Huate Gas with a net outflow of 4.14 million yuan from institutional investors [3] - Jinhong Gas with a net outflow of 4.14 million yuan from institutional investors [3]

Core Viewpoint - Nanda Optoelectronics (300346) has indicated that updates regarding its photolithography project should be referenced from the company's designated information disclosure media [1] Group 1 - The company responded to investor inquiries on November 11 regarding the progress of its photolithography project [1]