证券代码：300675 证券简称：建科院 公告编号：2025-023 深圳市建筑科学研究院股份有限公司 关于修订部分公司治理制度及办理工商变更登记的公告 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。 深圳市建筑科学研究院股份有限公司（以下简称公司）根据《中华人民共和 国公司法》（以下简称《公司法》）《关于新<公司法>配套制度规则实施相关过渡 期安排》《上市公司章程指引》等现行法律、行政法规、部门规章、地方性法规、 深圳证券交易所规则指引、国资监管相关规定以及具有法律约束力的其他规范性 文件，结合公司治理的实际，修订了《公司章程》《公司股东大会议事规则》《公 司董事会议事规则》等 3 项公司治理制度，修订后全文详见公司于本公告披露日 在巨潮资讯网（http://www.cninfo.com.cn）披露的文件。 经公司第四届董事会第八次临时会议审议，董事会同意修订后的《公司章程》 《公司股东会议事规则》（名称变更后）及《公司董事会议事规则》，授权经营管 理层在股东大会批准后办理相关工商变更事宜；经公司第四届监事会第六次临时 会议审议，监事会同意对《公司章程》的修订 ...

证券代码：300675 证券简称：建科院 公告编号：2025-024 深圳市建筑科学研究院股份有限公司 关于召开公司 2024 年度股东大会的通知 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。 深圳市建筑科学研究院股份有限公司（以下简称公司）2024 年度股东大会 将于 2024 年 6 月 30 日（星期一）召开。现将有关事项通知如下： 召开会议的基本情况 股东大会届次 公司 2024 年度股东大会。 股东大会的召集人 经公司第四届董事会第八次临时会议批准，由董事会召集本次股东大会。 会议召开的合法、合规性 本次股东大会的召集、召开符合《中华人民共和国公司法》《上市公司股东 大会规则》等有关法律、行政法规、部门规章、规范性文件、深圳证券交易所业 务规则和《公司章程》等有关规定。 会议召开的日期、时间 1. 现场会议召开时间 2. 网络投票时间 （1）通过深圳证券交易所交易系统投票的时间为：2025 年 6 月 30 日（星 期一）09:15—09:25、09:30—11:30 和 13:00—15:00； （2）通过深圳证券交易所互联网投票的时间为：2025 ...

证券代码：300675 证券简称：建科院 公告编号：2025-021 深圳市建筑科学研究院股份有限公司 第四届监事会第六次临时会议决议公告 公司及监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。 监事会会议召开情况 深圳市建筑科学研究院股份有限公司（以下简称公司）第四届监事会第六次 临时会议通知于 2025 年 6 月 6 日以电子邮件方式送达各位监事。会议由监事会 主席余述胜先生召集及主持，在保障所有监事充分表达意见的情况下，以通讯表 决方式召开并于 2025 年 6 月 9 日完成表决，应到监事 5 名，实到监事 5 名。 会议的召开符合《中华人民共和国公司法》《中华人民共和国证券法》《公司 章程》及《公司监事会议事规则》等相关规定。会议通过如下决议： 监事会会议审议情况 会议通过如下决议： 审议通过《公司 2025 年度全面预算案》 监事会同意《公司 2025 年度全面预算案》。 具体内容详见公司于同日在巨潮资讯网（http://www.cninfo.com.cn，下同） 披露的《公司 2025 年度全面预算案》（公告编号：2025-022）。 表决结果：赞成 5 ...

证券代码：300675 证券简称：建科院 公告编号：2025-020 深圳市建筑科学研究院股份有限公司 第四届董事会第八次临时会议决议公告 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。 董事会会议召开情况 深圳市建筑科学研究院股份有限公司（以下简称公司）第四届董事会第八次 临时会议通知已于 2025 年 6 月 6 日以电子邮件方式送达各位董事，并抄送监事 会、副总经理（含董事会秘书）及董事会办公室主任。会议由董事长叶青女士召 集及主持，在保障所有董事充分表达意见并经全体董事认可的情况下，以通讯表 决方式召开并于 2025 年 6 月 9 日完成表决，董事应到 9 名，实到 9 名。 会议的召开符合《中华人民共和国公司法》及有关法律、行政法规、部门规 章、规范性文件和《公司章程》《公司董事会议事规则》的规定。 董事会会议审议情况 会议通过如下决议： 审议通过《公司 2025 年度全面预算案》 董事会同意《公司 2025 年度全面预算案》。 该事项已经董事会战略及可持续发展（ESG）委员会前置研究，全体委员发 表了一致的同意意见。 具体内容详见公司于同日在巨潮资 ...

Core Viewpoint - Several listed companies in the Shanghai and Shenzhen markets announced significant updates, including changes in control, regulatory measures, and sales performance, which may present investment opportunities and risks for investors [2]. Company Announcements - Zhongying Electronics announced that its controlling shareholder is planning a change in control, leading to a suspension of trading from June 9, 2025, for up to two trading days [3]. - ST Lutong received an administrative regulatory measure from the Jiangsu Securities Regulatory Bureau due to internal control deficiencies and failure to disclose significant lawsuits and account freezes [4]. - Lianhua Technology clarified that it does not directly produce chlorantraniliprole and that the related matters have limited impact on its overall business [5]. - Longshen Rongfa's subsidiary received a CNAS laboratory accreditation certificate, which is expected to positively influence future operations, though it will not significantly impact current performance [6]. Sales Performance - Yisheng Co. reported a significant increase in May sales of breeding pigs, with a total of 10,849 heads sold, representing a year-on-year increase of 207.08% [7]. Shareholding Changes - Shentong Technology's shareholder, Biheng Investment, plans to reduce its stake by up to 3%, equating to a maximum of 12.88 million shares [8]. - Ruoyuchen's shareholder, Langzi Co., intends to reduce its stake by up to 3%, not exceeding 4.7681 million shares [9]. - Oujing Technology's shareholder, Wanzhao Huigu, plans to reduce its stake by up to 3%, equating to a maximum of 5.7722 million shares [10]. - Jindan Technology's shareholder, Guangzhou Chengxin, plans to reduce its stake by up to 2.93%, equating to a maximum of 5.635 million shares [11]. - Huashu Gaoke's shareholder, Guotou Chuangye Fund, plans to reduce its stake by up to 2.2%, equating to a maximum of 9.1117 million shares [12]. - Zhongke Soft's shareholder, Kesuan Chuangyuan, plans to reduce its stake by up to 2%, equating to a maximum of 16.6208 million shares [13]. - Hengrun Co. announced multiple shareholders planning to reduce their stakes, with total reductions not exceeding 1.89% of the company's shares [14]. - Del Shares' shareholder, Wuxu 15 Fund, plans to reduce its stake by up to 1.987%, equating to a maximum of 3 million shares [15]. - Jian Ke Yuan's shareholder, Jian Ke Investment, plans to reduce its stake by up to 1% [17]. - Mindong Electric's shareholder, Fujian Investment Development Group, plans to reduce its stake by up to 1% [18]. - Puli Software's chairman and executives plan to reduce their stakes by a total of up to 0.69% [19].

Group 1 - Zhongying Electronics' controlling shareholder is planning a change in control, leading to a stock suspension starting June 9, 2025, for up to 2 trading days [3] - Lianhua Technology clarified that it does not directly produce chlorantraniliprole, and the related matters have limited impact on the company's overall performance [4] - Longshen Rongfa's subsidiary received CNAS laboratory accreditation, which is expected to positively influence future operations, though it will not significantly impact current performance [5] Group 2 - Yisheng Co. reported May sales of breeding pigs at 10,849 heads, a year-on-year increase of 207.08%, with significant sales increases attributed to delayed orders from April [7] - Shentong Technology's shareholder plans to reduce its stake by up to 3%, amounting to no more than 12.88 million shares [9] - Ruoyuchen's major shareholder intends to reduce its stake by up to 3%, not exceeding 476.81 million shares [10] Group 3 - Oujing Technology's major shareholder plans to reduce its stake by up to 3%, not exceeding 577.22 million shares [12] - Jindan Technology's shareholder plans to reduce its stake by up to 2.93%, amounting to no more than 563.5 million shares [13] - Huashu Gaoke's shareholder intends to reduce its stake by up to 2.2%, not exceeding 911.17 million shares [14] Group 4 - Zhongke Soft's major shareholder plans to reduce its stake by up to 2%, not exceeding 16.62 million shares [15] - Hengrun Co.'s shareholders plan to collectively reduce their stake by up to 1.89%, with specific reductions from various shareholders [16] - Del Shares' shareholder plans to reduce its stake by up to 1.987%, not exceeding 3 million shares [17] Group 5 - Jianke Institute's shareholder plans to reduce its stake by up to 1%, not exceeding 146.66 million shares [18] - Mindong Electric's shareholder plans to reduce its stake by up to 1%, not exceeding 457.95 million shares [19] - Puli Software's chairman and executives plan to collectively reduce their stake by up to 0.69% [20]

深圳市建筑科学研究院股份有限公司 证券代码：300675 证券简称：建科院 公告编号：2025-019 关于持股 5%以上股东减持股份的预披露公告 持股 5%以上的股东深圳市建科投资股份有限公司保证向公司提供的信 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。 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： 持有深圳市建筑科学研究院股份有限公司（以下简称公司）股份 8,816,600 股（占公司总股本的 6.01%）的股东深圳市建科投资股份有限公司（以下简称建 科投资）计划在 2025 年 7 月 1 日至 2025 年 9 月 30 日期间，以集中竞价方式减 持公司股份不超过 1,466,600 股（占公司总股本的 1.00%）。 公司于近日收到建科投资《关于计划减持公司股份的告知函》，建科投资拟 实施新的减持计划，具体情况公告如下： 股东的基本情况 股东名称 有限售条件股数（股） 无限售条件股数（股） 持股股数（股） 占公司总股本比例 建科投资 0 8,816,600 8,816,600 6.01% 本次减持计划的主要内容 公司股份 ...

Group 1 - The core point of the article is that the shareholder, JianKe Investment, plans to reduce its stake in JianKe Institute by up to 1% between July 1 and September 30, 2025 [1] - JianKe Investment currently holds 6.01% of the company's shares [1] - The reason for the reduction is due to the shareholder's own funding needs, and the shares to be sold are from those issued before the initial public offering [1]

证券代码：300675 证券简称：建科院 公告编号：2025-019 深圳市建筑科学研究院股份有限公司 关于持股 5%以上股东减持股份的预披露公告 持股 5%以上的股东深圳市建科投资股份有限公司保证向公司提供的信 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。 2. 股份来源：首次公开发行前已发行的股份。 3. 减持股份数量、方式及比例：建科投资计划通过集中竞价交易方式，减持 公司股份不超过 1,466,600 股（占公司总股本比例 1.00%），且任意连续 90 个自 然日内减持股份总数不超过公司股份总数的 1.00%，若减持计划期间公司发生送 股、资本公积金转增股本等股本变动事项，则前述减持股份比例不变，减持股份 数量进行相应调整。 4. 减持期间（自减持计划披露公告之日起十五个交易日后且不超过 3 个月）： 2025 年 7 月 1 日至 2025 年 9 月 30 日，法律法规禁止减持的期间除外。 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： 持有深圳市建筑科学研究院股份有限公司（以下简称公司）股份 8,816,600 股（占 ...

Core Viewpoint - Guangdong Institute of Building Science Group Co., Ltd. has established the Guangdong Provincial Housing Safety Management Technology Center to promote technological innovation and management enhancement in the field of housing safety throughout its lifecycle [1] Group 1: Company Overview - Guangdong Institute of Building Science, founded in 1958, specializes in construction engineering inspection and testing services, forming a professional system that includes standards, measurement, inspection, testing, and certification [1] - The company has developed into one of the leading institutions in China for engineering inspection and testing qualifications and capabilities, covering five major sectors: housing construction and municipal, transportation, water conservancy, energy conservation and environmental protection, and safety production [1] Group 2: Technological Advancements - The company has made significant breakthroughs in technology research and development, focusing on safety, green, low-carbon, and smart directions, providing strong technical support for the construction of the Guangdong-Hong Kong-Macao Greater Bay Area [1] - Guangdong Institute has successfully undertaken inspection and testing technical services for major projects such as the Hong Kong-Zhuhai-Macao Bridge and Guangzhou International Finance Center, showcasing its leading position and professional technical advantages in complex engineering testing [1][2] Group 3: Future Outlook - The company aims to continue its commitment to "innovative development and serving society," increasing investment in technological innovation to promote high-quality development in the construction industry [3] - By 2025, the company’s subsidiary successfully obtained laboratory accreditation from the Hong Kong Innovation and Technology Commission, providing solid technical support for the Greater Bay Area construction [3]