证券代码：300346 证券简称：南大光电 公告编号：2025-055 江苏南大光电材料股份有限公司 关于持股5%以上股东、董事股份减持计划完成的公告 持股 5%以上的股东、董事张兴国先生，董事、高级管理人员王陆平先生保证向 本公司提供的信息内容真实、准确、完整，没有虚假记载、误导性陈述或重大遗漏。 本公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 江苏南大光电材料股份有限公司（以下简称"公司"）于2025年6月27日在巨潮资讯 网（http://www.cninfo.com.cn）披露了《关于持股5%以上股东、董事减持股份的预披露 公告》（公告编号：2025-038）。持股5%以上的股东、董事张兴国先生，董事、高级管 理人员王陆平先生计划在上述公告披露之日起15个交易日后的3个月内，通过集中竞价 交易或大宗交易的方式分别减持其所持有的公司股份数量不超过6,911,569股、195,000 股。 公司近日收到上述股东出具的《股东股份减持计划完成的告知函》，获悉上述股东 本次减持计划已完成。根据《上市公司股东减持股份管理暂行办法》、《深圳证券交易所 上市公司自律监管指引第18号——股东及董事、 ...

北京市东城区建国门内大街 26 号新闻大厦 7 层、8 层 电话：010-88004488/66090088 传真：010-66090016 邮编：100005 1．本所律师仅就本次会议的召集与召开程序、召集人和出席现场会议人员资格、 会议表决程序及表决结果的合法性发表意见，不对本次会议所审议的议案内容及该等议 案所表述的事实或数据的真实性、准确性和完整性发表意见； 2．本所律师无法对网络投票过程进行见证，参与本次会议网络投票的股东资格、 网络投票结果均由相应的证券交易所交易系统和互联网投票系统予以认证； 3．本所及经办律师依据《证券法》《证券法律业务管理办法》《证券法律业务执 业规则》等规定及本法律意见书出具日以前已经发生或者存在的事实，严格履行了法定 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 年第四次临时股东大会的 法律意见书 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 年第四次临时股东大会（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 ...

证券代码：300346 证券简称：南大光电 公告编号：2025-054 江苏南大光电材料股份有限公司 2025年第四次临时股东大会决议公告 2、本次股东大会无涉及变更以往股东大会决议的情形； 3、本次股东大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 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、本次股东大会无否决议案的情况； 网络投票时间：2025 年 9 月 12 日（星期五） 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 9 月 12 日（星期五）14:30 （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 9 月 12 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 9 月 12 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 ...

Core Viewpoint - Nanda Optoelectronics has shown a positive stock performance with a year-to-date increase of 9.92% and a recent market capitalization of 24.232 billion yuan, indicating strong investor interest and potential growth in the electronic materials sector [1][2]. Financial Performance - For the first half of 2025, Nanda Optoelectronics reported a revenue of 1.229 billion yuan, reflecting a year-on-year growth of 9.48%, while the net profit attributable to shareholders was 208 million yuan, up 16.30% compared to the previous year [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]. Shareholder Information - As of August 31, 2025, the number of shareholders increased to 105,500, a rise of 5.97%, while the average number of circulating shares per person decreased by 5.63% to 6,222 shares [2]. - Major institutional shareholders include E Fund's ChiNext ETF and Southern CSI 500 ETF, with notable increases in holdings, indicating growing institutional interest [3]. Market Activity - On September 12, Nanda Optoelectronics' stock price rose by 2.04% to 35.06 yuan per share, with a trading volume of 443 million yuan and a turnover rate of 1.95% [1]. - The stock has experienced a 1.80% increase over the last five trading days and a 16.09% increase over the past 60 days, showcasing positive momentum in the market [1]. Business Overview - Nanda Optoelectronics, established on December 28, 2000, 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 revenue composition includes specialty gas products (60.95%), precursor materials (27.80%), and other products (7.02% and 4.23%) [1]. Industry Classification - Nanda Optoelectronics is classified under the electronic chemicals sector, specifically in electronic chemicals II and III, with involvement in key concepts such as photoresists, specialty gases, and gallium nitride [1].

Core Viewpoint - The domestic photoresist industry is experiencing a critical period of accelerated development, with leading companies showing impressive performance in revenue, profit, and technological advancements [4][5][6]. Group 1: Company Performance - Nanda Optoelectronics achieved a revenue of 1,228.87 million yuan in the first half of 2025, a year-on-year increase of 9.48%, and a net profit of 207.81 million yuan, up 16.30% [5][6]. - Tongcheng New Materials reported a revenue of 165.47 million yuan, a growth of 4.97%, with its semiconductor photoresist business growing over 50% for two consecutive years [6][8]. - Jingrui Electric Materials saw a revenue of 767.94 million yuan, a 10.68% increase, and a net profit of 69.75 million yuan, a significant increase of 1,501.66% [9][10]. - Shanghai Xinyang achieved a revenue of 896.65 million yuan, a growth of 35.67%, and a net profit of 133.31 million yuan, up 126.31% [11][12]. - Yongda Photosensitive reported a revenue of 506.30 million yuan, a 14.10% increase, but a net profit decline of 4.31% [13][14]. - Yake Technology's revenue reached approximately 4.29 billion yuan, a growth of 31.82%, with a net profit of 52.28 million yuan, up 0.63% [15][16]. - Dinglong Co., Ltd. reported a revenue of 1.73 billion yuan, a 14.00% increase, and a net profit of 311.04 million yuan, up 42.78% [17][18]. - Feikai Materials achieved a revenue of 146.23 million yuan, a 3.80% increase, and a net profit of 21.68 million yuan, up 80.45% [19][20]. - Bayi Shikong's revenue was 41.54 million yuan, a 10.63% increase, but net profit decreased by 37.90% [21][22]. - Ruilian New Materials reported a revenue of approximately 80.62 million yuan, a growth of 16%, and a net profit of about 16.61 million yuan, up 74% [23][24]. - Guangxin Materials achieved a revenue of 23.35 million yuan, a decrease of 10.38%, with a net profit decline of 51.38% [25][26]. - Huamao Technology reported a revenue of 1.11 billion yuan, a growth of 14.42%, and a net profit of 136.58 million yuan, up 3.21% [27][28]. - Jiuri New Materials saw a revenue of 71.35 million yuan, a decrease of 7.11%, with a net loss of 9.06 million yuan [29][30]. Group 2: Industry Trends - The photoresist industry is witnessing significant technological advancements, with many companies achieving breakthroughs in product development and production capacity [4][6][19]. - The domestic market is increasingly competitive, with companies focusing on R&D and expanding their product lines to meet the growing demand in semiconductor manufacturing [6][17][19]. - Companies are investing heavily in R&D, with some allocating over 13% of their revenue to develop advanced materials for integrated circuits and other applications [11][27].

Group 1 - Shengtun Mining plans to repurchase shares worth between 500 million and 600 million yuan, with a maximum repurchase price of 11.82 yuan per share, aimed at employee stock ownership plans or equity incentives [1] - Kangnbei received a drug registration certificate for Linggui Shugan Granules, which is derived from traditional Chinese medicine and is used for treating phlegm and dampness due to Yang deficiency [2] - Zhangjiang Hi-Tech intends to publicly transfer 100% equity and related debts of Shanghai Jixin Rui Construction Technology Co., Ltd. with a total price not less than 151 million yuan [3] Group 2 - Shankai Intelligent won a bid for a metering device procurement project worth 13.318 million yuan from Hohhot Water Supply Company [4] - Hason Co. plans to jointly establish a supply chain company with a registered capital of 10 million yuan, in which Hason will hold a 10% stake [5] - Pudong Construction's subsidiaries won multiple major projects with a total amount of 1.271 billion yuan [6] Group 3 - Jinling Pharmaceutical received approval for the Phase III clinical trial of Olaratogrel tablets, which are used for treating moderate to severe pain associated with endometriosis [8] - Menohua's subsidiary obtained a drug registration certificate for Mosapride Citrate Tablets, aimed at improving gastrointestinal symptoms [10] - Shapuaisi's major shareholder plans to reduce holdings by up to 2% of the company's shares due to personal financial needs [11] Group 4 - Changyuan Power reported an August electricity generation of 3.771 billion kWh, a year-on-year decrease of 6.03% [15][16] - Xibu Livestock's August fresh milk production increased by 4.8% month-on-month but decreased by 7.27% year-on-year [19] - Yong'an Pharmaceutical's actual controller and chairman had their detention lifted, allowing them to resume normal duties [20] Group 5 - Jinkai Intelligent's director resigned due to work adjustments [22] - Xinhua Medical received a Class II medical device registration for an endoscope cleaning workstation [23] - Haishi Science and Technology's innovative drug HSK47388 received approval for a new indication clinical trial [25] Group 6 - Baotai Co. plans to participate in a land use rights auction in Baoji City with a starting price of 57.34 million yuan [26] - Minfeng Special Paper received a government subsidy totaling 11.2 million yuan [27] - Jiuchang Bio obtained a medical device registration for a heparin-binding protein assay kit [29] Group 7 - Jingao Technology plans to repurchase shares worth between 200 million and 400 million yuan, with a maximum price of 17.36 yuan per share [31] - Youxunda won a bid for a metering equipment project from China Southern Power Grid worth approximately 161 million yuan [32] - Qianli Technology reported an August vehicle sales increase of 168.55% year-on-year [32] Group 8 - Guangzhou Port expects an August container throughput increase of 1.2% year-on-year [32] - Kexing Pharmaceutical's GB08 injection completed the first subject enrollment for Phase II clinical trials [33] - Wu Ming Pharmaceutical plans to transfer 98.9% of its subsidiary's shares to a newly established wholly-owned subsidiary [34] Group 9 - Shanghai Electric's acquisition of K-Electric Limited shares has not yet completed the transfer [35] - Fulai New Materials plans to raise no more than 710 million yuan through a private placement [36] - Huaren Health's drug registration application for a new type of potassium ion competitive acid blocker has been accepted [37]

Group 1 - The electronic chemicals sector increased by 0.71% compared to the previous trading day, with Siquan New Materials leading the gains [1] - On the same day, the Shanghai Composite Index closed at 3813.56, down 1.16%, while the Shenzhen Component Index closed at 12472.0, down 0.65% [1] Group 2 - The electronic chemicals sector saw a net inflow of 425 million yuan from main funds, while retail and speculative funds experienced net outflows of 220 million yuan and 203 million yuan, respectively [2] - The table provided shows the net inflow and outflow of funds for various companies within the electronic chemicals sector, highlighting significant movements in stocks such as Tiantong Co., Jianghua Micro, and Siquan New Materials [2]

Core Viewpoint - Jiangsu Nanda Optoelectronics Materials Co., Ltd. has announced its 2025 semi-annual profit distribution plan, which includes a cash dividend of 1.80 RMB per 10 shares, totaling approximately 124.41 million RMB, with no stock dividends or capital reserve transfers [1][2]. Summary by Sections 1. Approval of Profit Distribution Plan - The profit distribution plan for the first half of 2025 was approved by the company's board and supervisory committee, following authorization from the 2024 annual shareholders' meeting [1]. 2. Equity Distribution Plan - The equity distribution plan is based on a total share capital of 691,156,903 shares, with a cash dividend of 1.80 RMB per 10 shares (before tax) [2]. - For specific categories of shareholders, different tax treatments apply, with a net dividend of 1.62 RMB for certain foreign investors [2]. 3. Record and Ex-Dividend Dates - The record date for the equity distribution is set for September 9, 2025, and the ex-dividend date is September 10, 2025 [2]. 4. Distribution Recipients - The distribution will be made to all shareholders registered with the China Securities Depository and Clearing Corporation Limited, Shenzhen Branch, as of the record date [3]. 5. Distribution Method - Cash dividends will be directly credited to the shareholders' accounts through their securities companies or other custodians [3]. 6. Consultation Information - The company has provided contact details for inquiries regarding the distribution plan, including a contact person and phone number [3].

证券代码：300346 证券简称：南大光电 公告编号：2025-053 江苏南大光电材料股份有限公司 2025年半年度权益分派实施公告 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年半年度利润分配方案已 获2025年4月24日召开的2024年度股东大会授权，经公司第九届董事会第十三次会议和 第九届监事会第十一次会议审议通过，现将权益分派事宜公告如下： 一、股东会及董事会审议通过利润分配方案的情况 1、公司于 2025 年 4 月 24 日召开 2024 年度股东大会，审议通过了《关于授权董事 会制定 2025 年中期分红方案的议案》，同意授权董事会根据股东会决议在满足分红条件 的前提下，论证、制定并实施公司 2025 年度中期分红方案。 2、公司于 2025 年 8 月 25 日召开了第九届董事会第十三次会议，审议通过了 2025 年半年度利润分配方案：以公司现有总股本 691,156,903 股为基数，向全体股东每 10 股派发现金红利 1.80 元（含税），合计派发现金股利 124,408,242 ...

Group 1 - The core point of the news is that Nanda Optoelectronics experienced a decline of 5.01% in its stock price, closing at 34.91 yuan per share, with a trading volume of 1.043 billion yuan and a turnover rate of 4.46%, resulting in a total market capitalization of 24.128 billion yuan [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 items at 4.23% [1] Group 2 - From the perspective of major fund holdings, data shows that one fund under Huaxia Fund has a significant position in Nanda Optoelectronics, specifically the Huaxia CSI Semiconductor Materials and Equipment Theme ETF (562590), which increased its holdings by 63,000 shares in the second quarter, bringing the total to 423,200 shares, accounting for 4.11% of the fund's net value, ranking as the fifth-largest holding [2] - The Huaxia CSI Semiconductor Materials and Equipment Theme ETF (562590) was established on October 9, 2023, with a latest scale of 326 million yuan, achieving a year-to-date return of 27.75%, ranking 1598 out of 4222 in its category, and a one-year return of 62.97%, ranking 1188 out of 3781 [2] - The fund manager of the Huaxia CSI Semiconductor Materials and Equipment Theme ETF is Shan Kuan Zhi, who has been in the position for 1 year and 84 days, with the fund's total asset scale at 4.741 billion yuan, achieving a best return of 71.6% and a worst return of 7.48% during his tenure [3]