Group 1 - The core point of the news is that Shenzhen Institute of Building Science Co., Ltd. (建科院) experienced a stock price increase of 5.11%, reaching 16.05 CNY per share, with a trading volume of 71.75 million CNY and a turnover rate of 3.17%, resulting in a total market capitalization of 2.354 billion CNY [1] - The company, established on August 20, 2007, and listed on July 19, 2017, specializes in various services including architectural design, green building consulting, ecological urban planning, and public trust services [1] - The revenue composition of the company is as follows: public trust services 41.30%, architectural design 25.86%, urban planning 21.82%, building consulting 6.06%, others 3.46%, and EPC and project management 1.50% [1] Group 2 - Among the top ten circulating shareholders of 建科院, a fund under 诺安基金 (Noah Fund) has entered the list, specifically 诺安多策略混合A (Noah Multi-Strategy Mixed A), which acquired 685,000 shares, accounting for 0.47% of the circulating shares, with an estimated floating profit of approximately 534,300 CNY [2] - 诺安多策略混合A was established on August 9, 2011, with a current scale of 1.399 billion CNY, achieving a year-to-date return of 61.76%, ranking 456 out of 8,234 in its category, and a one-year return of 86.28%, ranking 155 out of 8,083 [2] Group 3 - The fund managers of 诺安多策略混合A are 孔宪政 and 王海畅, with 孔宪政 having a tenure of 4 years and 322 days, managing a total fund size of 4.607 billion CNY, achieving a best return of 76.38% and a worst return of -16.74% during his tenure [3] - 王海畅 has a tenure of 3 years and 84 days, managing a total fund size of 2.529 billion CNY, with a best return of 63.97% and a worst return of -18.8% during his tenure [3]

Core Insights - In September 2025, a total of 47 listed companies in Shanghai, Shenzhen, and Beijing announced changes to their auditing firms, indicating a significant shift in the auditing landscape [3][6]. Group 1: Changes in Auditing Firms - Notable changes include companies like Xiaoxin Environment switching from Xinyong Zhonghe to Deloitte, and Jian Tai Technology moving from Zhonghua to PwC Zhongtian [4][5]. - The audit fees for 2024 for these companies varied, with Xiaoxin Environment paying 4.96 million yuan and Jian Tai Technology paying 4.5 million yuan [4]. Group 2: Client Changes Among Audit Firms - The firm with the largest decrease in clients was Lixin, losing 7 clients, while Rongcheng gained the most clients, increasing by 6 [6][8]. - The detailed statistics show that Lixin and Rongcheng were the most affected firms in terms of client changes, reflecting a competitive shift in the auditing market [6][9].

Core Insights - The company, Jian Ke Yuan, reported that as of September 30, 2025, the number of shareholders, including margin accounts, is 14,820 [2] Summary by Category - **Company Information** - Jian Ke Yuan has a total of 14,820 shareholders as of the specified date [2]

Core Insights - The company is actively leveraging its technological service capabilities to embrace digitalization and enhance the empowerment of research outcomes on its business [1] Group 1: Business Developments - Since the beginning of 2025, the company has made significant progress in its new energy service innovation business, with some projects included in Shenzhen's strategic emerging industry support plan and approved for special funding [1] - The company has been approved to establish a Guangdong Provincial Engineering Research Center for green building new supply and distribution [1] - The company has won bids for technical service projects related to new energy technology application scenarios in Shenzhen's Houhai Central District, as well as for urban area chief designer or overall design service projects and scenario-based innovation platform operations [1] Group 2: Strategic Challenges - The company faces challenges in contract reserves and organizational adaptability, leading to difficulties in the transition from old to new driving forces, which is still in a painful period [1] - Despite ongoing performance challenges, the company remains committed to promoting its strategic transformation from old to new driving forces to lay a foundation for future business expansion and operational capability enhancement [1]

Core Viewpoint - The company, Jian Ke Yuan (300675.SZ), announced a share reduction plan by Jian Ke Investment, which will result in a decrease of 1,448,800 shares, representing 0.99% of the total share capital by September 30, 2025 [1] Summary by Relevant Sections - Share Reduction Plan - Jian Ke Investment plans to reduce its holdings in Jian Ke Yuan through centralized bidding, totaling 1,448,800 shares [1] - This reduction accounts for 0.99% of the company's total share capital [1]

证券代码：300675 证券简称：建科院 公告编号：2025-041 深圳市建筑科学研究院股份有限公司 关于持股 5%以上股东减持股份计划期限届满的公告 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。 深圳市建筑科学研究院股份有限公司（以下简称公司）已于 2025 年 6 月 9 日在巨潮资讯网（http://www.cninfo.com.cn，下同）披露《公司关于持股 5%以上 股东减持股份的预披露公告》（公告编号：2025-019），持股 5%以上股东深圳市 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%），股份来源均为建科投资所持公司首次公开发行前已发行的股份。 公司于 2025 年 7 月 9 日在巨潮资讯网披露了《公司关于持股 5%以上股东减 持股份触及 1%整数倍的公告》（公告编号：2025-030），公告了上述减持计划实 施进展情况。 公司于本日收到建科投资的告知 ...

Core Viewpoint - The company plans to issue up to 250 million yuan in technology innovation bonds to fund various projects and operational needs [1] Summary by Categories Fundraising Purpose - The proceeds from the bond issuance will be used for technology innovation project investments or construction, acquisitions or establishment of technology innovation enterprises, R&D platform construction, and working capital for daily operations [1]

Core Viewpoint - The company, Jian Ke Yuan, has approved a proposal to issue technology innovation bonds with a maximum scale of 250 million yuan, aimed at funding various technology-related projects and operational needs [1] Summary by Categories Bond Issuance - The company plans to issue technology innovation bonds not exceeding 250 million yuan [1] - The approval was made during the tenth temporary meeting of the fourth board of directors [1] Fund Utilization - The raised funds will be used for technology innovation project investments, acquisitions, establishment of technology innovation enterprises, and construction of R&D platforms [1] - Funds may also be allocated for daily operational liquidity needs, in compliance with legal and regulatory requirements [1] - The company retains the right to adjust the usage of funds as necessary, but the funds will not be used for new stock placements, stock trading, or other non-productive expenditures [1]

Core Viewpoint - The company has approved a proposal to issue technology innovation bonds with a maximum scale of 250 million yuan, aimed at supporting various technology innovation projects and enhancing overall strategic development [1] Group 1: Bond Issuance Details - The bond issuance scale is not to exceed 250 million yuan, with a term of no more than 5 years [1] - The issuance method will be a non-public offering, with annual interest payments and a lump-sum repayment at maturity [1] Group 2: Use of Proceeds - The raised funds will be utilized for technology innovation project investments, acquisitions or establishment of technology innovation enterprises, construction of research and development platforms, and working capital for daily operations [1] Group 3: Approval Process - The proposal requires approval from the company's second extraordinary general meeting in 2025 and must obtain a no-objection letter from the Shenzhen Stock Exchange before implementation [1]

深圳市建筑科学研究院股份有限公司 关于拟发行科技创新债券的公告 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。 证券代码：300675 证券简称：建科院 公告编号：2025-038 关于公司符合发行科技创新债券条件的说明 根据《中华人民共和国公司法》《公司债券发行与交易管理办法（2023 年修 订）》《深圳证券交易所公司债券发行上市审核业务指引第 7 号——专项品种公司 债券（2024 年修订）》等有关法律法规和规范性文件的规定，公司属于科技创新 类企业，不是失信责任主体、重大税收违法案件当事人、列入涉金融严重失信人 名单的当事人、电子认证服务行业失信机构、对外合作领域严重失信主体，具备 发行科技创新公司债券的资格和条件。 发行方案 基本情况 9. 发行日期：根据公司实际需求，在取得深圳证券交易所无异议函后有效 期内一次性发行； 10. 募集资金用途：包括但不限于科技创新项目投入或建设及运营、投资收 1 1. 发行主体：深圳市建筑科学研究院股份有限公司； 2. 申报规模：不超过 2.50 亿元（含）； 3. 债券品种：科技创新公司债券； 4. 挂牌场所：深圳证券 ...