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]

Core Viewpoint - The company has terminated the implementation of the hexafluorotungsten project, which was initially planned with a total investment of 150 million yuan and a production capacity of 500 tons per year [1] Group 1: Project Status - The hexafluorotungsten project has been under construction for over two years but has not progressed, as the company has stated it is not engaged in the production or sales of hexafluorotungsten [1] - The company currently focuses on the production and sales of trifluorine nitrogen instead [1]

Core Insights - The electronic chemicals sector experienced a 2.02% increase on November 6, with Grinda leading the gains [1] - The Shanghai Composite Index closed at 4007.76, up 0.97%, while the Shenzhen Component Index closed at 13452.42, up 1.73% [1] Stock Performance - Grinda (603931) closed at 31.85, up 10.02% with a trading volume of 130,800 shares and a turnover of 410 million yuan [1] - Xingfu Electronics (688545) closed at 36.37, up 5.18% with a trading volume of 70,900 shares and a turnover of 255 million yuan [1] - Guanghua Technology (002741) closed at 21.86, up 5.00% with a trading volume of 328,200 shares and a turnover of 708 million yuan [1] - Anji Technology (6108899) closed at 200.80, up 4.33% with a trading volume of 39,200 shares and a turnover of 775 million yuan [1] - Hongchang Electronics (603002) closed at 7.53, up 3.86% with a trading volume of 548,300 shares and a turnover of 414 million yuan [1] Capital Flow - The electronic chemicals sector saw a net inflow of 721 million yuan from institutional investors, while retail investors experienced a net outflow of 749 million yuan [2][3] - Grinda had a net inflow of 142 million yuan from institutional investors, but a net outflow of 83 million yuan from retail investors [3] - The overall capital flow indicates a strong interest from institutional investors despite the outflow from retail investors [2][3]

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]. - Cumulative cash dividends since the A-share listing amount to 507 million yuan, with 293 million yuan distributed over the last three years [3]. Stock Market Activity - As of November 6, Nanda Optoelectronics' stock price increased by 2.01%, reaching 39.09 yuan per share, with a trading volume of 527 million yuan and a turnover rate of 2.07% [1]. - The stock has seen a year-to-date increase of 22.56%, but has declined by 3.51% over the last five trading days and 9.47% over the last twenty days [1]. - The company had a total market capitalization of 27.017 billion yuan [1]. Shareholder Composition - As of September 30, 2025, the number of shareholders increased to 130,200, up by 23.39%, while the average number of tradable shares per shareholder decreased by 19.03% to 5,038 shares [2]. - Major institutional shareholders include E Fund's ChiNext ETF and Southern CSI 500 ETF, with some shareholders reducing their holdings while new investors entered the market [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, with applications in integrated circuits, flat panel displays, LEDs, third-generation semiconductors, photovoltaics, and semiconductor lasers [1]. - The company's main revenue sources include specialty gas products (60.95%), precursor materials (27.80%), and other products [1].