证券时报·数据宝统计显示，南大光电今日收盘价为32.34元，下跌0.58%，日换手率为3.57%，成交额为 7.62亿元，全天主力资金净流出3474.18万元，近5日该股累计上涨2.80%，近5日资金合计净流出4462.65 万元。 南大光电7月30日大宗交易平台出现一笔成交，成交量32.29万股，成交金额1260.34万元，大宗交易成交 价为39.03元，相对今日收盘价溢价20.69%。该笔交易的买方营业部为国泰海通证券股份有限公司深圳 前海分公司，卖方营业部为华泰证券股份有限公司郑州经三路证券营业部。 进一步统计，近3个月内该股累计发生6笔大宗交易，合计成交金额为3922.46万元。 | 成交量 | 成交金额 | 成交价 | 相对当日收盘 | | | | --- | --- | --- | --- | --- | --- | | （万 | （万元） | 格 | 折溢价（%） | 买方营业部 | 卖方营业部 | | 股） | | （元） | | | | | 32.29 | 1260.34 | 39.03 | 20.69 | 国泰海通证券股份有限 | 华泰证券股份有限公司郑 | | | | | | 公司深圳前 ...

| 交易日期 | 证券代码 | 证券简称 | 成交价格 | 成交量 | 成交金额 | 买方营业部 | 卖方营业部 | | --- | --- | --- | --- | --- | --- | --- | --- | | | | | (元) | (万股/万份) | (万元) | | | | 2025-07-30 | 300346 | 南大光电 | 39.03 | 32.29 | | 1,260.34 国泰海通证券股份 | 华泰证券股份有限 | | | | | | | | 有限公司深圳前海 | 公司郑州经三路证 | | | | | | | | 分公司 | 券营业部 | 7月30日，南大光电大宗交易成交32.29万股，成交额1260.34万元，占当日总成交额的1.63%，成交价39.03元，较市场收盘价 32.34元溢价20.69%。 ...

格隆汇7月29日丨南大光电(300346.SZ)公布，公司近日收到持股5%以上股东张兴国先生出具的告知函， 自2025年7月24日至2025年7月28日期间，张兴国先生通过集中竞价交易方式合计减持公司股份200万 股，持股比例由6.23%减少至5.94%，权益变动触及1%的整数倍。 ...

南大光电（300346）公告，持股5%以上股东张兴国先生自2025年7月24日至2025年7月28日期间，通过 集中竞价交易方式合计减持公司股份200万股，持股比例由6.23%减少至5.94%，权益变动触及1%的整数 倍。本次减持计划已按照规定进行了预披露，且不会对公司治理结构及持续性经营产生重大不利影响。 ...

证券代码：300346 证券简称：南大光电 公告编号：2025-041 江苏南大光电材料股份有限公司 关于持股5%以上股东权益变动触及1%整数倍的公告 持股 5%以上的股东张兴国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"）近日收到持股5%以上股东张 兴国先生出具的告知函，自2025年7月24日至2025年7月28日期间，张兴国先生通过集中 竞价交易方式合计减持公司股份200万股，持股比例由6.23%减少至5.94%，权益变动触 及1%的整数倍。具体情况如下： 董事会 2025年7月29日 1．中国证券登记结算有限责任公司持股变动明细; 2．张兴国先生出具的《关于股份变动的告知函》; 3．深交所要求的其他文件。 | 1.基本情况 | | | --- | --- | | 信息披露义务人 | 张兴国 | | 住所 | 江苏省扬州市扬子江北路 555 号 | | 权益变动时间 | 2025 年 7 月 24 日至 2025 年 7 月 28 日 | | | 公 ...

Major Events - Guotai Junan Asset Management will absorb Haitong Asset Management as approved by Guotai Haitong [1] - Shikong Technology's actual controller is planning a change in control, leading to continued suspension of trading [1] - Fushun Special Steel's Jincheng Shazhou intends to acquire 5% of the company's shares at 5.6 CNY per share [1] - Xibu Materials' Wang Libo resigned from the position of vice chairman due to job changes [1] - Yitian Intelligent plans to establish a private equity fund with a professional institution [1] Performance - Tapa Group reported a net profit of 435 million CNY for the first half of the year, a year-on-year increase of 92.47% [2] - Qilu Bank's net profit for the first half of the year was 2.734 billion CNY, up 16.48% year-on-year [2] - Western Mining's net profit for the first half of the year reached 1.869 billion CNY, a 15% increase year-on-year [2] - Funiang Co.'s net profit for the first half of the year was 1.337 billion CNY, reflecting a year-on-year growth of 12.48% [2] - China Duty Free Group reported a net profit of 2.6 billion CNY for the first half of the year, a year-on-year decrease of 20.81% [2] Shareholding Changes - Softcom Power's shareholder plans to transfer 3% of the company's shares through inquiry [2] - Hu Lixia, a shareholder of Guoguang Co., plans to reduce holdings by no more than 3% [3] - Taiyuan Heavy Industry's controlling shareholder plans to increase holdings by 80 million to 160 million CNY [2]

Group 1 - Liu Pharmaceutical Group plans to repurchase shares worth between 100 million and 200 million yuan, with a maximum repurchase price of 25.70 yuan per share [1] - Dongshan Precision intends to invest up to 1 billion USD to build a high-end printed circuit board project to meet the long-term demand for high-end printed circuit boards in emerging scenarios such as AI [1] - Bomaike reported a net profit of 12.39 million yuan for the first half of the year, a year-on-year decline of 80.42% [2] Group 2 - Western Mining achieved a net profit of 1.869 billion yuan in the first half of the year, a year-on-year increase of 15% [2] - Fuliwang expects a net loss of approximately 17 million yuan for the first half of the year, a decrease of 137.12% compared to the same period last year [2] - Digital Certification anticipates a net loss of between 80 million and 96 million yuan for the first half of the year, compared to a loss of 29.25 million yuan in the same period last year [3] Group 3 - Shanghai Construction reported a net profit of 710 million yuan for the first half of the year, a year-on-year decrease of 14.04% [5] - Funneng Co. achieved a net profit of 1.337 billion yuan in the first half of the year, a year-on-year increase of 12.48% [6] - Tengda Construction's total contract amount for the first half of the year decreased by 17.55% year-on-year [7] Group 4 - Fudan Fuhua decided to terminate the public transfer of a 28% stake in a subsidiary due to the lack of a deposit from potential buyers [9] - Fulei Ant's subsidiary has decided to cease operations due to intense competition in the photovoltaic industry and ongoing losses [11] - Dongfang Ocean's subsidiary received a medical device registration certificate for a folic acid testing kit [14] Group 5 - Huayu Pharmaceutical's subsidiary received overseas listing approvals for several products [16] - Feima International received a performance commitment compensation of 437 million yuan from its controlling shareholder [16] - Guangshen Railway signed a cooperation agreement for the Guangzhou East Station renovation project with a total investment of approximately 16.66 billion yuan [16] Group 6 - Anhui Construction won the bid for the S68 Jingde to Jixi Expressway project with an estimated total investment of 5.7 billion yuan [18] - China Communications Construction Company signed new contracts worth 991.054 billion yuan in the first half of the year, a year-on-year increase of 3.14% [19] - Kehui Co. plans to use up to 70 million yuan of idle funds for cash management [22] Group 7 - Biological Shares' subsidiary received a clinical trial approval for a cat mRNA vaccine, the first of its kind in China [23] - Ruipu Biological received a clinical trial approval for a pig mRNA vaccine, which is the first economic animal mRNA vaccine in China [24] - Nanjing New Hundred's major assets were judicially frozen due to liquidity debt crisis faced by its controlling shareholder [27] Group 8 - Changshu Bank plans to merge three village banks and establish branches, pending shareholder approval [28] - Yong'an Pharmaceutical plans to reduce its holdings by up to 2.6323 million shares [29] - Zhujiang Co. received approval from the Shanghai Stock Exchange for a stock issuance to specific targets [31] Group 9 - Sanyangma's subsidiary signed a 120 million yuan procurement contract for sensor products [33] - Jintou City Development plans to purchase a villa property for approximately 7.1854 million yuan [35] - Yuanli Co. intends to acquire 100% of Tongsheng Co. through a combination of cash and stock issuance [36] Group 10 - Xin'an Century's controlling shareholder plans to reduce holdings by up to 2.22% of the company's shares [36] - Fute Technology plans to raise up to 528 million yuan through a private placement for various projects [36] - Helen Piano's actual controller is set to change, with stock resuming trading [37] Group 11 - Weiergao expects a net profit increase of 12.55% to 30.87% for the first half of the year [38] - Saiwei Microelectronics plans to transfer up to 18% of its shares through an agreement [40] - Yongli Co. intends to acquire a 22.75% stake in a subsidiary [42] Group 12 - ST Xiachuang plans to publicly transfer a 20% stake in Guangdong Yuweiji [43] - Dema Technology's shareholders plan to transfer 778.84 million shares through an inquiry [45] - Zhongshi Technology's shareholders plan to reduce holdings by up to 2.86% of the company's shares [46] Group 13 - Wufang Optoelectronics' controlling shareholder plans to reduce holdings by up to 0.93% of the company's shares [48] - Fusenmei's chairman has been detained, temporarily unable to fulfill his duties [49] - Reliable Co.'s shareholders plan to reduce holdings by a total of up to 2.63% of the company's shares [51] Group 14 - Gao Neng Environment plans to repurchase shares worth between 100 million and 150 million yuan [53]

证券代码：300346 证券简称：南大光电 公告编号：2025-040 江苏南大光电材料股份有限公司 关于公司副总裁辞职的公告 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"）董事会近日收到公司副总裁陈 化冰先生提交的书面辞职报告，其因个人原因申请辞去公司副总裁职务，辞职后不再 担任公司任何职务。陈化冰先生的辞职不会对公司的正常经营产生影响，辞职报告自 送达公司董事会之日起生效。 陈化冰先生原定任期为 2024 年 5 月 15 日至第九届董事会届满之日止。截至本公 告披露日，陈化冰先生持有公司股票 2,143,690 股。辞职后，陈化冰先生将继续遵守《上 市公司董事和高级管理人员所持本公司股份及其变动管理规则》《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、高级管理人员减持股份》等相关法律法规 有关离任高级管理人员减持股份的相关规定。 陈化冰先生在担任公司副总裁期间勤勉尽责、恪尽职守，公司及董事会对其任职 期间为公司发展所做出的贡献表示衷心的感谢！ 特此公告。 江苏南大光电材料股份有限公司 董 ...

证券代码：300346 证券简称：南大光电 公告编号：2025-039 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。 一、担保额度预计的情况概述 江苏南大光电材料股份有限公司（以下简称"公司"）于 2025 年 4 月 1 日召开 第九届董事会第十一次会议，2025 年 4 月 24 日召开 2024 年度股东大会，审议通过 了《关于向金融机构申请综合授信额度及对控股子公司担保额度预计的议案》，同意 公司及全资、控股子公司向银行等金融机构申请综合授信，总额不超过人民币 15 亿 元，公司及子公司为合并报表范围内的子公司提供总计不超过人民币 7 亿元的担保 额度。董事会提请股东大会授权公司管理层根据实际经营需要在子公司之间相互调 剂使用本次担保预计额度。 具体内容详见公司刊登在中国证监会指定创业板信息披露网站的《关于向金融 机构申请综合授信额度及对控股子公司担保额度预计的公告》（公告编号：2025-023）。 二、担保进展情况 2024 年 5 月 20 日，公司及子公司南大光电（乌兰察布）有限公司、南大光电 （淄博）有限公司、南大光电半导体材料有限公司、全椒 ...

Core Points - The Shanghai Composite Index is currently at 3503.55 points, below the five-day moving average, with a decline of 0.46% [1] - The total trading volume of A-shares today is 802.366 billion yuan, with 198 A-shares breaking through the five-day moving average [1] Summary by Category Stock Performance - Notable stocks with significant deviation rates above the five-day moving average include: - Xinyi Technology (新易盛) with a deviation rate of 14.20% and a daily increase of 20.00% [1] - Mingyang Circuit (明阳电路) with a deviation rate of 10.59% and a daily increase of 14.54% [1] - Shenghong Technology (胜宏科技) with a deviation rate of 8.05% and a daily increase of 12.14% [1] - Other stocks with smaller deviation rates that have just crossed the five-day moving average include: - Jianghuai Automobile (江淮汽车) and Nanda Optoelectronics (南大光电) [1] Trading Data - The trading data for stocks that broke through the five-day moving average includes: - Xinyi Technology (新易盛): Latest price 157.08 yuan, five-day moving average 137.55 yuan [1] - Mingyang Circuit (明阳电路): Latest price 17.25 yuan, five-day moving average 15.60 yuan [1] - Shenghong Technology (胜宏科技): Latest price 161.88 yuan, five-day moving average 149.82 yuan [1]