Group 1 - The company, Zhejiang Hisun Biomaterials Co., Ltd., will hold a half-year performance briefing on August 21, 2025, from 15:00 to 16:00 [1][2] - The briefing will take place at the Shanghai Stock Exchange Roadshow Center and will be conducted in an interactive online format [1][2] - Key company personnel, including the Chairman and General Manager, will participate in the briefing, with potential adjustments to attendees based on special circumstances [2] Group 2 - Investors can participate in the briefing by logging into the Shanghai Stock Exchange Roadshow Center on the scheduled date and time [2] - Questions from investors can be submitted from August 14 to August 20, 2025, through the Roadshow Center or via the company's email [1][2] - After the briefing, investors can access the main content and details of the event through the Roadshow Center [3]

证券日报网讯8月13日晚间，海正生材发布公告称，公司计划于2025年08月21日(星期四)15：00-16：00 举行2025年半年度业绩说明会。 ...

证券代码：688203 证券简称：海正生材 公告编号：2024-45 浙江海正生物材料股份有限公司 关于召开 2025 年半年度业绩说明会的公告 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： 会议召开时间：2025 年 08 月 21 日 （星期四） 15:00-16:00 会议召开地点：上海证券交易所上证路演中心（网址： https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心网络互动 本次投资者说明会以网络互动形式召开，公司将针对 2025 年半年度的经营 成果及财务指标的具体情况与投资者进行互动交流和沟通，在信息披露允许的范 围内就投资者普遍关注的问题进行回答。 二、 说明会召开的时间、地点 （一） 会议召开时间：2025 年 08 月 21 日 （星期四） 15:00-16:00 投资者可于 2025 年 08 月 14 日（星期四）至 08 月 20 日（星期三）16:00 前登 录上证路演中心网站首页点击"提问预征集"栏目或通过公司邮箱 hisunpla@hisun ...

Core Viewpoint - The market demand for polylactic acid (PLA) fiber is steadily increasing due to rising consumer awareness of environmental protection and a global pursuit of sustainable development. The market size in China is projected to reach approximately 4.511 billion yuan in 2024, with a year-on-year growth of 3.9%, and is expected to grow to 6.979 billion yuan by 2030 [1][20]. Industry Overview - PLA fiber is produced from starch-containing agricultural products such as corn and wheat, which are fermented to generate lactic acid, then polymerized and spun into fibers. It is a biodegradable synthetic fiber that can decompose into carbon dioxide and water in the environment [4][16]. - The fiber has excellent properties such as good hand feel, UV resistance, low flammability, and excellent processing performance, making it suitable for various applications including fashion, sportswear, and hygiene products [6][7]. Market Size and Growth - The PLA fiber industry in China is expected to maintain strong growth momentum, with the market size projected to reach approximately 6.979 billion yuan by 2030 [1][20]. - The market demand for PLA fiber will continue to expand due to increasing consumer environmental awareness and ongoing government support for the environmental industry [20]. Production Process - The production of PLA fiber involves extracting starch from biomass materials, fermenting it to produce lactic acid, and then polymerizing it into PLA, which is subsequently spun into fibers [8][10]. Industry Development History - The research and development of PLA fiber have a history of over half a century, with significant advancements made by various companies in the field, including those in China [12][22]. Industry Chain - The PLA fiber industry chain includes upstream raw materials (corn, wheat, etc.), midstream production processes, and downstream applications in textiles, medical devices, and packaging [14][16]. Key Companies - Major companies in the PLA fiber industry include Anhui Fengyuan Group, Ma'anshan Tongjie Liang Biological Materials Co., Ltd., and Zhejiang Haizheng Biological Materials Co., Ltd., among others [2][22][24]. Industry Trends - The PLA fiber industry is moving towards high performance, with a focus on enhancing heat resistance, mechanical strength, and functional properties through molecular structure modification and composite processing technologies [29]. - The application of PLA fiber is diversifying beyond textiles to include biodegradable wipes, medical dressings, and packaging materials, driven by the deepening "plastic ban" policies [30][31].

Core Viewpoint - The announcement details the upcoming listing and circulation of 6,390,100 restricted shares of Zhejiang Haizheng Biomaterials Co., Ltd., which will be available for trading on August 18, 2025, following the expiration of the lock-up period for certain shareholders [1][2]. Summary by Sections Listing Details - The total number of shares to be listed is 6,390,100, representing 3.15% of the company's total share capital [2]. - The shares will be available for trading starting on August 18, 2025, due to the preceding non-trading day on August 16, 2025 [1]. Shareholder Information - The restricted shares are held by three entities: Taizhou Jiaojiang Chuanghe Enterprise Management Partnership (Limited Partnership), Taizhou Jiaojiang Chuangyou Enterprise Management Partnership (Limited Partnership), and Taizhou Chuangyi Enterprise Management Service Center (Limited Partnership) [2]. - The lock-up period for these shareholders was set for 36 months from the date of the company's initial public offering [2]. Changes in Share Capital - Since the formation of these restricted shares, there have been no changes in the company's share capital due to profit distribution or capital increase [2]. Commitments from Shareholders - The shareholders have committed not to transfer or manage their shares during the lock-up period and to comply with relevant regulations when reducing their holdings [3][4]. - Any income obtained from violations of these commitments must be returned to the company [3]. Management Commitments - Senior management and core technical personnel have similar commitments regarding their shares, including restrictions on transfers during the lock-up period and specific conditions post-lock-up [5][7]. - If the company's stock price falls below the initial offering price for a specified period, the lock-up period may be automatically extended [9]. Regulatory Compliance - The underwriting institution, CITIC Securities Co., Ltd., has confirmed that the listing of these restricted shares complies with relevant laws and regulations [10][11].

Core Viewpoint - The announcement details the upcoming listing and circulation of 6,390,100 restricted shares of Zhejiang Haizheng Biomaterials Co., Ltd., which will be available for trading starting August 18, 2025, following the expiration of the lock-up period for certain shareholders [1][2]. Summary by Sections Listing Details - The total number of shares to be listed is 6,390,100, representing 3.15% of the company's total share capital [2][9]. - The shares will be available for trading on August 18, 2025, due to the preceding non-trading day on August 16, 2025 [1][2]. Shareholder Information - The restricted shares are held by three entities: Taizhou Jiaojiang Chuanghe Enterprise Management Partnership (Limited Partnership), Taizhou Jiaojiang Chuangyou Enterprise Management Partnership (Limited Partnership), and Taizhou Chuangyi Enterprise Management Service Center (Limited Partnership) [2][9]. - The lock-up period for these shareholders was 36 months from the date of the company's initial public offering [2][3]. Changes in Share Capital - Since the formation of these restricted shares, there have been no changes in the company's share capital due to profit distribution or capital increase [2]. Commitments from Shareholders - The shareholders have committed not to transfer or manage their shares for 36 months post-IPO and must comply with relevant regulations during any future share reductions [3][4]. - Any income gained from violations of these commitments must be returned to the company [3][4]. Lock-up Period Extension - The lock-up period for certain shareholders was automatically extended by six months due to the company's stock price falling below the IPO price for 20 consecutive trading days [7][10]. - The new lock-up expiration date is February 15, 2026 [10]. Verification by Intermediaries - The sponsor, CITIC Securities Co., Ltd., confirmed that the listing of the restricted shares complies with relevant laws and regulations [8][9].

Core Viewpoint - The announcement from Haizheng Shengcai regarding the listing of restricted shares indicates a significant event for the company, as it marks the first public offering of restricted shares, which may impact the stock's liquidity and investor sentiment [1] Summary by Relevant Sections - **Stock Listing Details** - The total number of shares to be listed for circulation is 6,390,100 shares [1] - The listing date for these shares is set for August 18, 2025 [1] - **Subscription Method** - The method of stock subscription is through offline channels [1]

证券代码：688203 证券简称：海正生材 公告编号：2025-44 重要内容提示： 本次股票上市类型为首发限售股份；股票认购方式为网下，上市股数为 6,390,100股。 本次股票上市流通总数为6,390,100股。 浙江海正生物材料股份有限公司 本次股票上市流通日期为2025 年 8 月 18 日。因 2025 年 8 月 16 日为非交 易日，上市流通日顺延至 2025 年 8 月 18 日。 首次公开发行部分限售股上市流通公告 一、本次上市流通的限售股类型 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。 根据中国证券监督管理委员会《关于同意浙江海正生物材料股份有限公司首 次公开发行股票注册的批复》（证监许可[2022]847 号），同意公司首次公开发行股 票的注册申请。并经上海证券交易所同意，公司首次向社会公众公开发行 A 股股 票 50,669,517 股，并于 2022 年 8 月 16 日在上海证券交易所科创板上市，发行完 成后总股本为 202,678,068 股，其中有限售条件流通股为 156,470,89 ...

中信建投证券股份有限公司 关于浙江海正生物材料股份有限公司 （一）本次限售股上市流通的有关股东台州市椒江创和企业管理合伙企业 （有限合伙）、台州市椒江创友企业管理合伙企业（有限合伙）、台州创熠企业 管理服务中心（有限合伙）承诺内容具体如下： （1）本企业自发行人股票上市之日起36个月内，不转让或者委托他人管理 本企业于发行人公开发行股票前已持有的发行人股份，也不由发行人回购本企业 于发行人公开发行股票前已持有的发行人股份。 首次公开发行部分限售股上市流通的核查意见 中信建投证券股份有限公司（以下简称"中信建投证券"或"保荐机构"）作为 浙江海正生物材料股份有限公司（以下简称"海正生材"或"公司"）首次公开发行 股票并在科创板上市的保荐机构，根据《证券发行上市保荐业务管理办法》《上 海证券交易所科创板股票上市规则》《上海证券交易所科创板上市公司自律监管 规则适用指引第1号——规范运作》等有关法律法规规定，对海正生材首次公开 发行部分限售股上市流通事项进行了核查，具体情况如下： 一、本次上市流通的限售股类型 根据中国证券监督管理委员会《关于同意浙江海正生物材料股份有限公司首 次公开发行股票注册的批复》（证监许可[ ...

格隆汇8月8日丨海正生材(688203.SH)公布，公司本次股票上市流通总数为639.01万股。本次股票上市流 通日期为2025年8月18日。因2025年8月16日为非交易日，上市流通日顺延至2025年8月18日。 ...