Group 1 - The company, Beijing Haitai Ruisheng Technology Co., Ltd., announced an additional temporary proposal for the first extraordinary general meeting of shareholders in 2025, which will be held on September 16, 2025 [1][2] - The additional proposal was submitted by shareholder He Lin, who holds 19.95% of the company's shares, and it pertains to providing guarantees for a controlling subsidiary [1][2] - The original notice of the extraordinary general meeting remains unchanged, and the meeting will take place at a specified location in Beijing [2][3] Group 2 - The network voting system for the extraordinary general meeting will be conducted through the Shanghai Stock Exchange's online voting platform, with specific voting times outlined [2][3] - The equity registration date for the shareholders remains the same as previously announced [2][3] - There are no related shareholders that need to abstain from voting on the proposals [4]

Summary of Key Points Core Viewpoint - The company, Beijing Haitai Ruisheng Technology Co., Ltd., is providing a guarantee of up to 50 million yuan for its subsidiary, DATAOCEAN AI PTE. LTD., to support its overseas data business expansion and operational needs [1][2]. Group 1: Guarantee Details - The guarantee amount is set at a maximum of 50 million yuan, with no prior guarantee balance [1]. - The guarantee does not involve any counter-guarantee [1]. - The total external guarantee amount, including this guarantee, will not exceed 6.73% of the company's latest audited net assets [4]. Group 2: Company and Subsidiary Information - DATAOCEAN AI PTE. LTD. is a holding subsidiary established in Singapore in September 2024, with a registered capital of 50,000 USD [3]. - The company holds a 51% stake in DATAOCEAN AI PTE. LTD., while the major shareholder, PRIDE AI HOLDING LIMITED, holds 49% [3]. - The subsidiary reported total assets of 395.46 million yuan and a net profit of -11.78 million yuan for the first half of 2025 [3]. Group 3: Decision-Making Process - The board of directors approved the guarantee at a meeting held on September 5, 2025, and the matter will be submitted for shareholder approval due to the subsidiary's asset-liability ratio exceeding 70% [2][4]. - The board believes that providing this guarantee aligns with the company's global strategic layout and is within a controllable risk range [4].

Core Viewpoint - The company plans to utilize part of its temporarily idle self-owned funds for cash management to enhance fund efficiency and increase returns while ensuring daily operations are not affected [1][4]. Summary by Sections Overview of Cash Management - The purpose of cash management is to improve the efficiency of idle funds and increase cash management returns while controlling risks [1]. - The funds for cash management will come from temporarily idle self-owned funds, which are legally compliant and will not affect normal operations [2]. Types of Investment Products - The company will invest in high-security, liquid financial products, including but not limited to structured deposits, agreement deposits, notice deposits, time deposits, and large certificates of deposit [2]. Amount and Duration - The company intends to use up to RMB 800 million (including principal) for cash management, with a validity period of 12 months from the board's approval [2][4]. - The funds can be used in a rolling manner within the approved amount and duration [2]. Implementation Method - The board authorizes the financial manager to make investment decisions and sign relevant contracts, with the finance department responsible for implementation [2]. Impact on the Company - The cash management initiative will not affect the company's main business operations and is expected to enhance fund efficiency and generate additional returns for the company and its shareholders [3][4]. Supervisory Board Opinion - The supervisory board agrees that using up to RMB 800 million for cash management will improve fund efficiency and increase returns without harming the company's or shareholders' interests [4].

证券代码：688787 证券简称：海天瑞声 公告编号：2025-030 北京海天瑞声科技股份有限公司 关于为控股孙公司提供担保的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： 担保对象及基本情况 | | | 被担保人名称 本次担保金额 | DATAOCEAN 不超过 | 5,000.00 | AI PTE. LTD. 万元 | | --- | --- | --- | --- | --- | --- | | 担 保 象 | 对 | 实际为其提供的担保余额 | 万元 0.00 | | | | | | 是否在前期预计额度内 | 是 | ☑否 | □不适用 | | | | 本次担保是否有反担保 | 是 | ☑否 | □不适用 | 累计担保情况 | 对外担保逾期的累计金额（万元） | 0.00 | | --- | --- | | 截至本公告日上市公司及其控股 子公司对外担保总额（万元） | 0.00 | | 对外担保总额占上市公司最近一 期经审计净资产的比例（%） | 0.00 | | 特别风险提示（如有请勾选 ...

证券代码：688787 证券简称：海天瑞声 公告编号：2025-029 北京海天瑞声科技股份有限公司 关于使用部分暂时闲置自有资金进行现金管理的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 2025 年 9 月 5 日，北京海天瑞声科技股份有限公司（以下简称"本公司"） 召开第三届董事会第六次会议、第三届监事会第五次会议，审议通过了《关于使 用部分暂时闲置自有资金进行现金管理的议案》，同意公司（含合并报表范围内 全资、控股子公司）在保证日常生产经营的前提下，进一步提高资金使用效率及 收益水平，使用额度不超过 80,000 万元（含本数）的暂时闲置自有资金进行现 金管理，购买安全性高、流动性好的投资产品（包括但不限于结构性存款、协议 存款、通知存款、定期存款、大额存单等），并自本公司董事会审议通过之日起 生效，有效期 12 个月。在上述额度及决议有效期内，资金可以循环滚动使用。 一、拟使用自有资金进行现金管理的概况 （一）现金管理目的 公司拟在不影响日常经营且风险可控的前提下，使用部分暂时闲置的自有资 金进行现金管理 ...

证券代码：688787 证券简称：海天瑞声 公告编号：2025-032 北京海天瑞声科技股份有限公司 关于2025年第一次临时股东大会增加临时提案 暨补充通知的公告 本公司董事会及全体董事保证公告内容不存在任何虚假记载、误导性陈述或 者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 一、 股东大会有关情况 1. 股东大会的类型和届次： 2025年第一次临时股东大会 | 股份类别 | 股票代码 | 股票简称 | 股权登记日 | | --- | --- | --- | --- | | 股 A | 688787 | 海天瑞声 | 2025/9/11 | 二、 增加临时提案的情况说明 公司已于2025 年 8 月 30 日公告了 2025 年第一次临时股东大会召开通知， 单独持有19.95%股份的股东贺琳，在2025 年 9 月 4 日提出临时提案并书面提交 董事会。经核查，贺琳直接持有公司股份 12,037,615 股，占公司总股本比例为 19.95%，具备提出临时提案资格，提案内容属于股东大会职权范围，有明确的议 2. 股东大会召开日期：2025 年 9 月 16 日 3. 股东大会股权登记日： ...

北京海天瑞声科技股份有限公司 第三届监事会第五次会议决议公告 本公司监事会及全体监事保证本公告内容不存在任何虚假记载、误导性陈 述或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 一、监事会会议召开情况 证券代码：688787 证券简称：海天瑞声 公告编号：2025-031 1 三、备查文件 《北京海天瑞声科技股份有限公司第三届监事会第五次会议决议》。 特此公告。 北京海天瑞声科技股份有限公司 北京海天瑞声科技股份有限公司（以下简称"公司"）于2025年9月5日以现 场会议与通讯相结合的方式在公司会议室召开了第三届监事会第五次会议。本 次会议通知已于2025年9月4日以邮件方式送达公司全体监事，全体监事一致同 意豁免本次会议通知时效。本次会议由监事会主席张小龙先生召集并主持。会 议应到监事3人，实际参加会议监事3人。本次会议的召集、召开和表决程序符 合《中华人民共和国公司法》等相关法律法规及《北京海天瑞声科技股份有限 公司章程》的有关规定，会议决议合法、有效。 二、监事会会议审议情况 （一）审议通过了《关于使用部分暂时闲置自有资金进行现金管理的议案》 监事会认为：公司（含合并报表范围内全资、 ...

Core Viewpoint - The stock of Hai Tian Rui Sheng has experienced fluctuations, with a recent decline of 2.12% and a year-to-date increase of 24.29%, indicating volatility in its market performance [1]. Financial Performance - For the first half of 2025, Hai Tian Rui Sheng reported revenue of 157 million yuan, a year-on-year increase of 69.54%, and a net profit attributable to shareholders of 3.80 million yuan, reflecting a significant growth of 813.65% [2]. - Cumulative cash dividends since the company's A-share listing amount to 57.50 million yuan, with 46.80 million yuan distributed over the past three years [3]. Shareholder Information - As of June 30, 2025, the number of shareholders for Hai Tian Rui Sheng decreased by 14.71% to 10,700, while the average number of tradable shares per shareholder increased by 17.25% to 5,643 shares [2]. - Notable institutional holdings include the sixth-largest shareholder, Caitong Asset Management Digital Economy Mixed Fund, with 1.12 million shares, and the eighth-largest, Nuoan Active Return Mixed Fund, which increased its holdings by 23,070 shares [3]. Market Activity - As of September 4, 2023, the stock price was 122.02 yuan per share, with a trading volume of 196 million yuan and a turnover rate of 2.61%, resulting in a total market capitalization of 7.36 billion yuan [1]. - The stock has seen a recent decline of 18.65% over the last five trading days and a 10.15% drop over the past 20 days, while it has increased by 18.52% over the last 60 days [1]. Business Overview - Hai Tian Rui Sheng, established on May 11, 2005, and listed on August 13, 2021, specializes in the research, design, production, and sales of AI training data [1]. - The company's revenue composition includes 69.43% from intelligent voice, 19.63% from computer vision, 10.16% from natural language, and 0.78% from application services related to training data [1].

Group 1: Haitan Ruisheng - The company expects a revenue growth of 69.54% in the first half of 2025, driven by significant growth in computer vision, natural language, and intelligent voice businesses, which account for 40% and 14% respectively, while intelligent voice growth is moderate [1] - The company has established joint ventures in Chengdu, Changsha, and Baoding, and signed agreements in Hohhot to expand cooperation in over ten cities including Shanghai and Guangzhou [1] - Haitan Ruisheng is collaborating with Huawei on the Ascend integrated machine and the Shaanxi Smart Cultural Tourism project, becoming a key data supplier for China Mobile [1] Group 2: Zoomlion - The company maintains a cautiously optimistic outlook on market demand, supported by a concentrated equipment renewal period of 8-10 years and the transition to National IV standards [2] - Overseas revenue has increased by approximately 15%, with Africa experiencing a doubling in growth, and the Middle East and Southeast Asia showing rapid growth [2] - The company has a mid-term dividend payout exceeding 60%, with cumulative dividends surpassing 30.6 billion yuan, reflecting a commitment to long-term stable returns [2] Group 3: Aotwei - The company's semiconductor equipment gross margin is currently low due to long acceptance cycles and low margins on single crystal furnace products, but is expected to improve with increased orders for aluminum wire bonding machines and OI equipment [3] - Aotwei has expanded its AOI equipment from power semiconductor packaging to the optical communication field and has received bulk orders [3] - The company is collaborating with well-known clients on solid-state battery equipment and has completed the development of perovskite tandem equipment, which is expected to accelerate mass production [3]

Group 1: Haitan Ruisheng - The company expects a revenue growth of 69.54% in the first half of 2025, driven by significant growth in computer vision, natural language processing, and intelligent voice sectors [1] - Computer vision and natural language processing account for 40% and 14% of the revenue respectively, while intelligent voice shows slower growth [1] - The company has established partnerships with Huawei for the Ascend integrated machine and is involved in various projects across multiple cities in China [1] - Internationally, the company has acquired a delivery base in the Philippines and is expanding its presence in Hong Kong, the US, and Europe [1] - Core competencies include dual-mode service products, technology platforms, supply chain management, and data security compliance [1] Group 2: World - The company is experiencing revenue growth without profit increase due to intensified industry competition, rising depreciation, and increased expenses [2] - Diamond functional materials are currently in the investment phase, with expectations for breakthroughs leading to industrial application [2] - The company focuses on superhard tools as its core product while expanding into sound, light, electricity, and heat fields with diamond functional materials [2] - CVD diamond heat sink products are available but generate low revenue, facing challenges in technology transfer and market uncertainty [2] Group 3: Juguang Technology - The company views existing PPP policies positively and is in discussions with the government for implementation [3] - Payment trends in July and August have slightly improved compared to the first half of the year, with laboratory instruments performing well [3] - The company has announced a share buyback plan of 100 million to 150 million, intended for employee stock ownership plans [3] - Market demand remains stable, although some large project procurements are postponed to the fourth quarter [3] - Domestic high-end instruments still face challenges in complex scenarios and require time for adaptation [3]