Group 1 - *ST San Sheng (002742.SZ): The controlling shareholder Pan Xianwen's 32.2 million shares have been transferred, accounting for 7.30% of the total share capital, reducing his holding from 17.26% to 16.75, with no change in company control [1] - Aikang Co., Ltd. (300889.SZ): Shareholders Zhang Fengbin and Feng Renrong reduced their holdings by a total of 1.76 million shares, accounting for 1.06% of the total share capital, completing the reduction plan [1] - Allianz Ruishi (301042.SZ): Director Shen Lei reduced his holdings by 98,700 shares, accounting for 0.14% of the total share capital, with the reduction plan period ending [1] Group 2 - Baotong Technology (300031.SZ): Controlling shareholder Bao Zhifang and director Tang Yu plan to reduce their holdings by up to 8.3749 million shares and 1.526988 million shares, accounting for no more than 2% and 0.36% of the total share capital, respectively [2] - Biyiwei (688045.SH): Shareholders Fang Guang Erqi and Yuan Chengjun plan to reduce their holdings by up to 139,680 shares and 69,840 shares, accounting for no more than 2% and 1% of the total share capital, respectively [2] - Chahua Co., Ltd. (603615.SH): Shareholder Shenzhen Hanjinliang reduced 2.397 million shares, accounting for 0.99% of the total share capital, completing the reduction plan [2] Group 3 - Dacai Co., Ltd. (605287.SH): Shareholder Qingdao Dikuang Chanquan Development Co., Ltd. reduced 3.64 million shares, accounting for 2.60% of the total share capital, completing the reduction plan [3] - Dize Pharmaceutical (688192.SH): Vice President Zhang Shiying reduced 161,550 shares, accounting for 0.0035% of the total share capital, completing the reduction plan [3] - Fuhan Micro (300613.SZ): Controlling shareholder's concerted action party plans to reduce up to 6.90208 million shares, accounting for 3% of the total share capital [3] Group 4 - Guanghuan Xinwang (300383.SZ): Directors and vice presidents plan to reduce a total of up to 720,476 shares, accounting for no more than 0.04% of the total share capital [4] - Hanyu Group (300403.SZ): Director and Vice President Wu Geming plans to reduce up to 1 million shares, accounting for 0.1658% of the total share capital [4] - Haosen Intelligent (688529.SH): Shareholders plan to reduce a total of up to 3 million shares, accounting for 1.7838% of the total share capital [4] Group 5 - Huilong New Materials (301057.SZ): Controlling shareholder's concerted action party plans to reduce up to 3.482902 million shares, accounting for 3% of the total share capital excluding repurchased shares [5] - Huitong Co., Ltd. (688219.SH): Shareholder Tong'an Fund reduced 4.667815 million shares, accounting for 0.93% of the total share capital, completing the reduction plan [5] Group 6 - Jiangsu Shentong (002438.SZ): Shareholder Huzhou Fenglin Huoshan Equity Investment Partnership reduced a total of 14.205 million shares, accounting for 2.798808% of the total share capital, completing the reduction plan [6] - Jiangtian Chemical (300927.SZ): Shareholder Jiangshan Co., Ltd. reduced 1.3265 million shares, accounting for 0.92% of the total share capital [6] - Jin Sanjiang (301059.SZ): Shareholder Guangzhou Saina reduced 104,900 shares, accounting for 0.05% of the total share capital, completing the reduction plan [6] Group 7 - Jingxue Energy (301010.SZ): Controlling shareholder's concerted action party reduced 1.08 million shares, accounting for 1% of the total share capital, completing the reduction plan [7] - Jiuwu High-Tech (300631.SZ): Vice President Wang Xiaohu and Cheng Junjun plan to reduce up to 18,900 shares and 5,000 shares, accounting for no more than 0.1511% and 0.04% of the total share capital, respectively [7] - Kanghui Pharmaceutical (603139.SH): Shareholder Shanghai Sailoxian plans to reduce up to 2.9964 million shares, accounting for 3% of the total share capital [7] Group 8 - Meino Biological (301156.SZ): Shareholder's concerted action party reduced 1.297029 million shares, accounting for 0.92% of the total share capital, completing the reduction plan [8] - Minfa Aluminum Industry (002578.SZ): Shareholder Huang Tianhuo reduced 6.6702 million shares, accounting for 0.71% of the total share capital, reducing his holding to 4.9963% [8] - Nuo Puxin (002215.SZ): Directors and senior management plan to reduce a total of up to 1.8607 million shares, accounting for no more than 0.185% of the total share capital [8] Group 9 - Entropy Technology (301330.SZ): Shareholders reduced a total of 4,693,864 shares, accounting for 1.9556% of the total share capital, completing the reduction plan [9] - Shengbang Co., Ltd. (301233.SZ): Supervisor Hu Jilin plans to reduce up to 5,650 shares, accounting for 0.0111% of the total share capital [9] - Shudao Equipment (300540.SZ): Senior management did not reduce their shares, and the reduction plan period has ended [9] Group 10 - Tongyu Communications (002792.SZ): Controlling shareholder and actual controller Shi Guiqing plans to reduce up to 15,653,487 shares, accounting for 2.9963% of the total share capital [10] Group 11 - Wuzhou Xinchun (603667.SH): Senior management plans to reduce a total of up to 22,500 shares, accounting for no more than 0.0061%, 0.0067%, and 0.0037% of the total share capital [11] - New Sharp Co., Ltd. (688257.SH): Senior management plans to reduce up to 750,000 shares, accounting for no more than 0.2971% of the total share capital [11] - New Hope (000876.SZ): Senior management reduced 225,000 shares, accounting for 0.005% of the total share capital, completing the reduction plan [11] Group 12 - Youke De (688158.SH): Shareholder Zhongyi Capital reduced 882,766 shares, accounting for 0.19% of the total share capital, completing the reduction plan [12] - Changqing Technology (001324.SZ): Shareholders reduced a total of 4,165,050 shares, accounting for 3.00% of the total share capital, completing the reduction plan [12] - Changxin Bochuang (300548.SZ): Shareholders plan to reduce up to 8.6 million shares, accounting for 2.95% of the total share capital [12] Group 13 - Zhongfu Industrial (600595.SH): Shareholder Henan Yicheng Chuangtou plans to reduce up to 40 million shares, accounting for 1% of the total share capital [13] - Zhuhai Ming Technology (300232.SZ): Controlling shareholder Lin Mingfeng plans to reduce up to 21,722,009 shares, accounting for 1.99% of the total share capital [13] - Zhuoyi Information (688258.SH): Employee shareholding platform plans to reduce up to 2,271,445 shares, accounting for no more than 1.88% of the total share capital [13]

久吾高科（300631）公告，公司副总经理王肖虎计划在2025年7月29日至2025年10月28日期间，以集中 竞价或大宗交易方式减持不超过18.9万股，占公司总股本比例0.1511%。副总经理程军军计划在同期以 集中竞价交易方式减持不超过50000股，占公司总股本比例0.0400%。减持原因均为个人资金需求。 ...

证券代码：300631 证券简称：久吾高科 公告编号：2025-026 江苏久吾高科技股份有限公司 关于公司部分高级管理人员减持股份的预披露公告 公司副总经理王肖虎先生、程军军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。 特别提示： 江苏久吾高科技股份有限公司（以下简称"公司"）副总经理王肖虎先生（持 公司股份 756,000 股，占公司总股本比例 0.6046%）计划在本减持股份预披露公 告之日起的 15 个交易日后的 3 个月内(自 2025 年 7 月 29 日至 2025 年 10 月 28 日)以集中竞价或大宗交易方式减持公司股份不超过 189,000 股（占公司总股本 比例 0.1511%），若减持期间公司有送股、资本公积金转增股本等股份变动事项， 减持股份数量进行相应调整。 （一）本次减持计划相关情况 | 股东名 | | | 价格 | 减 持 | 拟减持 | 拟减持 | 减持 | | | --- | --- | --- | --- | --- | --- | --- | --- | -- ...

证券代码：300631 证券简称：久吾高科 公告编号：2025-025 一、 股东大会审议通过利润分配预案等情况 1、2025年5月20日，公司2024年度股东大会审议通过了《关于2024年度利润 分配预案的议案》，具体方案如下：以实施2024年度利润分配方案时股权登记日 的总股本（扣除公司回购账户中的股份）为基数，向全体股东每10股派发现金红 利1.8元（含税），送红股0股（含税），以资本公积向全体股东每10股转增0股。 本次股利分配后剩余利润结转至以后年度分配。在利润分配预案披露日至实施权 益分派股权登记日期间，公司股本若发生变化，公司将按照每10股分配比例不变 的原则对分配总额进行调整。 2、本次利润分配预案披露日至实施期间，公司股本总额未发生变化。 3、本次实施的权益分派方案与2024年度股东大会审议通过的分配方案一致。 4、本次实施权益分派方案距离股东大会通过利润分配方案的时间未超过两 个月。 二、 本次实施的权益分派方案 江苏久吾高科技股份有限公司 2024 年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。 江苏久吾高科技股份 ...

Core Viewpoint - Jiangsu Jiuwu High-Tech Co., Ltd. has successfully achieved the conditions for the first unlock period of its 2024 restricted stock incentive plan, allowing for the listing and circulation of restricted shares [1][5][6]. Summary by Sections Approval Procedures - The company held meetings to approve the relevant proposals regarding the 2024 restricted stock incentive plan, including the first grant of restricted stocks and the management measures for the implementation of the plan [2][3]. Conditions for Unlocking Restricted Stocks - The first unlock period for the restricted stocks is set to be from 12 months after the grant registration completion to the last trading day within 24 months. The unlock quantity is 40% of the total granted restricted stocks [5][6]. - The grant date for the restricted stocks was May 6, 2024, and the listing date was May 16, 2024. The first unlock period ended on May 15, 2025 [5][6]. Performance Assessment - The company’s performance assessment for unlocking the restricted stocks includes a target of a 50% increase in net profit compared to 2023, with a specific threshold for unlocking based on audited results [5][6]. - The personal performance assessment for the incentive objects is categorized into four levels: Excellent, Good, Qualified, and Unqualified, which determines the unlock ratio for each individual [6]. Listing and Circulation of Unlocked Shares - After the unlock, the total number of restricted stocks that can be circulated is 424.5 million shares, with 169.8 million shares being unlocked [6]. - The company’s share structure post-unlock shows a decrease in restricted shares from 5,266,218 to 4,439,468, while the total shares remain at 125,043,424 [6]. Legal Documentation - The company has prepared legal opinions regarding the completion of the unlock conditions and will keep relevant documents on file for reference [7].

证券代码：300631 证券简称：久吾高科 公告编号：2025-024 江苏久吾高科技股份有限公司 关于 2024 年限制性股票激励计划首次授予限制性股票第一个解 除限售期解除限售股份上市流通的提示性公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 特别提示： 1、本次限制性股票解除限售股份上市流通日期为 2025 年 6 月 30 日； 2、本次限制性股票可解除限售的激励对象人数为 58 人； 3、本次限制性股票可解除限售的数量为 1,698,000 股，占公司总股本比例 为 1.36%。 3、2024 年 3 月 27 日至 2024 年 4 月 6 日，公司对本次激励计划首次授予激 励对象的姓名和职务在公司内部进行了公示。公示期内，公司监事会未收到任何 异议。2024 年 4 月 7 日，公司披露了《监事会关于 2024 年限制性股票激励计划 首次授予激励对象名单公示情况说明及核查意见》。 4、2024 年 4 月 12 日，公司召开 2023 年度股东大会，审议通过了《关于公 司<2024 年限制性股票激励计划（草案）>及其摘要的议案》《关于公司< ...

关于董事会、监事会延期换届的提示性公告 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。 江苏久吾高科技股份有限公司（以下简称"公司"）第八届董事会、监事会 将于2025年6月19日任期届满。鉴于新修订的《中华人民共和国公司法》《上市 公司章程指引》及《关于新<公司法>配套制度规则实施相关过渡期安排》等要 求，以及目前公司董事会、监事会换届工作尚在筹备中，为确保公司董事会、监 事会各项工作的连续性及稳定性，公司董事会、监事会将适当延期换届，公司董 事会各专门委员会委员、高级管理人员的任期亦将相应顺延。 在换届选举工作完成之前，公司第八届董事会及专门委员会、监事会全体成 员、公司高级管理人员仍将严格按照《深圳证券交易所创业板股票上市规则》《深 圳证券交易所上市公司自律监管指引第2号——创业板上市公司规范运作》等相 关法律法规和《公司章程》的规定，继续履行相应的职责和义务。 公司董事会、监事会延期换届不会影响公司的正常运营，公司将积极推进换 届选举工作，并按照相关规定及时履行信息披露义务。 证券代码：300631 证券简称：久吾高科 公告编号：2025-023 江苏 ...

Core Insights - The ultrafiltration membrane industry is experiencing significant growth driven by increasing water quality demands and environmental awareness, with the market size in China projected to reach 6.8 billion yuan in 2024, representing a year-on-year growth of 9.68% [1][12]. Industry Overview - Ultrafiltration membranes are polymer separation membranes with a pore size typically ranging from 0.001 to 0.1 microns, capable of retaining particles larger than 10 nanometers while allowing water and small solutes to pass through [1][4]. - The industry has evolved through three main stages: initial exploration in the 1970s-80s, industrial breakthroughs in the 1990s-early 2000s, and rapid growth from the early 21st century to present [4][5]. Market Dynamics - The demand for ultrafiltration membranes is increasing in municipal water supply, wastewater treatment, and seawater desalination, as well as in the food and beverage and biopharmaceutical sectors [1][12]. - The urban sewage treatment capacity in China reached 234 million cubic meters per day in 2023, a year-on-year increase of 4.80%, highlighting the growing need for effective wastewater treatment solutions [10]. Industry Chain - The ultrafiltration membrane industry supply chain includes upstream raw materials (organic and inorganic materials), midstream manufacturing, and downstream applications in various sectors such as wastewater treatment, municipal water purification, and food and beverage [8]. Key Players - Major companies in the ultrafiltration membrane sector include Hainan Lifespan, Le Pure Biotechnology, and Beijing Sino, which are leveraging technological advancements to enhance their market positions [14][16]. - Hainan Lifespan has established itself as a leader with a production capacity of 30 million square meters annually, accounting for nearly half of global production [14][16]. Development Trends - The industry is witnessing technological innovations, such as Le Pure's Extreme™ PVDF membrane, which achieves a 99.9999% microbial retention rate, and advancements in membrane materials that enhance performance and sustainability [20][21]. - Market demand is shifting towards industrial wastewater treatment, municipal water supply improvements, and home water purification systems, with increasing consumer preferences for selective filtration products [21][22]. - Chinese ultrafiltration membrane companies are expanding globally, with initiatives to establish overseas production bases and participate in international standard-setting, enhancing their competitive edge [23].

Core Viewpoint - The company has successfully achieved the conditions for the first unlock period of the 2024 restricted stock incentive plan, allowing 58 incentive targets to unlock a total of 1,698,000 shares, which represents 1.36% of the company's total share capital [1][6][7]. Approval Procedures - The company held meetings to review and approve the relevant proposals regarding the 2024 restricted stock incentive plan, including the first grant of restricted stocks and the adjustment of related matters [2][3][4]. Performance Conditions - The first unlock period for the restricted stocks is set from 12 months after the grant date, which was on May 6, 2024, until the last trading day within 24 months [5]. - The company achieved a net profit growth rate of 66,621,475.09 yuan, meeting the performance assessment criteria for the unlock conditions [5][6]. Unlock Conditions - The unlock conditions were met as the company did not experience any disqualifying events, and all 58 incentive targets achieved "excellent" performance ratings [6][7]. - The total number of shares eligible for unlocking is 1,698,000, with specific allocations to various management levels [6]. Legal Opinions - The legal counsel confirmed that the company has obtained the necessary authorizations and approvals for the unlock of restricted stocks, and all conditions stipulated in the relevant laws and regulations have been satisfied [7][8].

第一个解除限售期解除限售条件成就的公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 特别提示： 1、本次限制性股票可解除限售的激励对象人数为 58 人； 2、本次限制性股票可解除限售的数量为 1,698,000 股，占公司总股本比例 为 1.36%； 3、本次限制性股票在相关部门办理完解除限售手续后、上市流通前，公司 将发布相关提示性公告，敬请投资者注意。 江苏久吾高科技股份有限公司（以下简称"公司"）于 2025 年 5 月 20 日召 开了第八届董事会第十七次会议、第八届监事会第十六次会议，审议通过了《关 于 2024 年限制性股票激励计划首次授予限制性股票第一个解除限售期解除限售 条件成就的议案》。根据公司《2024 年限制性股票激励计划（草案）》（以下 简称"《激励计划（草案）》"）、《2024 年限制性股票激励计划实施考核管 理办法》等相关规定和公司 2023 年度股东大会对董事会的授权，董事会认为 2024 年限制性股票激励计划第一个解除限售期解除限售条件已成就，同意办理本次解 除限售的相关事宜。具体情况公告如下： 证券代码：300631 证券 ...