关于 2025 年度利润分配预案的公告 证券代码：300653 证券简称：正海生物 公告编号：2026-008 烟台正海生物科技股份有限公司 关于 2025 年度利润分配预案的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、 误导性陈述或重大遗漏。 一、审议程序 公司于 2026 年 3 月 29 日召开第四届董事会第十次会议，审议通过了《关 于公司 2025 年度利润分配预案的议案》。本议案尚需提交公司 2025 年年度股 东会审议。 二、2025 年度利润分配预案的基本情况 经天职国际会计师事务所（特殊普通合伙）审计，2025 年度，公司实现 归属于上市公司股东的净利润为 82,410,131.70 元。本年度，公司母公司实现 可分配利润为 82,410,131.70 元，截至 2025 年 12 月 31 日，母公司可供分配的 利润为 490,779,720.15 元。 公司拟定 2025 年度利润分配预案如下： 关于 2025 年度利润分配预案的公告 三、现金分红方案的具体情况 （一）是否可能触及其他风险警示情形 | 项目 | 本年度 | 上年度 | 上上年度 | | - ...

烟台正海生物科技股份有限公司 2025 年年度报告全文 烟台正海生物科技股份有限公司 2025 年年度报告 2026-006 【2026.03.31】 1 烟台正海生物科技股份有限公司 2025 年年度报告全文 2025 年年度报告 第一节 重要提示、目录和释义 公司董事会及董事、高级管理人员保证年度报告内容的真实、准确、完 整，不存在虚假记载、误导性陈述或者重大遗漏，并承担个别和连带的法律 责任。 公司负责人郭焕祥、主管会计工作负责人赵丽及会计机构负责人(会计主 管人员)赵丽声明：保证本年度报告中财务报告的真实、准确、完整。 所有董事均已出席了审议本报告的董事会会议。 公司在本年度报告中阐述了公司经营中可能存在的风险及应对措施，详 见"第三节 管理层讨论与分析"之"十一、公司未来发展的展望"之"（三）公 司可能面对的风险及应对措施"部分，敬请广大投资者予以关注。 公司经本次董事会审议通过的利润分配预案为：以 2025 年 12 月 31 日公 司总股本 180,000,000 股剔除股份回购专户持有的 2,360,050 股后的 177,639,950 股为基数，向全体股东每 10 股派发现金红利 2.80 ...

Group 1 - Ninebot Company achieved a revenue of 21.325 billion yuan in 2025, a year-on-year increase of 50.22%, and a net profit of 1.755 billion yuan, up 61.84% [1] - Huizhong Co., Ltd. reported a revenue of 450 million yuan in 2025, a 16.79% increase, with a net profit of 66.2099 million yuan, up 14.7% [2] - Dalian Heavy Industry achieved a revenue of 15.501 billion yuan in 2025, an 8.54% increase, with a net profit of 588 million yuan, up 18.17% [3] - Jiepte's optical connection business is still in its early stages, contributing less than 5% to total revenue, with uncertainties due to market demand and competition [4] - Yuanguang Software reported a revenue of 2.593 billion yuan in 2025, an 8.12% increase, with a net profit of 301 million yuan, up 2.8% [5] - Kaipu Cloud reported a revenue of 418 million yuan in 2025, a 32.24% decrease, with a net loss of 10.8071 million yuan [6] - Cambricon achieved a total revenue of 6.497 billion yuan in 2025, a 453.21% increase, with a net profit of 2.059 billion yuan, compared to a loss of 452 million yuan in the previous year [7] - Sanxin Medical reported a revenue of 1.64 billion yuan in 2025, a 9.31% increase, with a net profit of 262 million yuan, up 15.43% [8] - Wanji Technology won a project bid worth 22 million yuan, aligning with its smart connected business development plan [9] - Xingrong Environment proposed a cash dividend of approximately 2.35 yuan per 10 shares for 2025, based on a 35% payout ratio of net profit [10] - Lankai Technology achieved a revenue of 5.456 billion yuan in 2025, a 49.94% increase, with a net profit of 2.236 billion yuan, up 58.35% [11] - Muxi Co., Ltd. reported a revenue of 1.644 billion yuan in 2025, a 121.26% increase, but incurred a net loss of 778 million yuan [12] - Hubei Yihua reported a revenue of 25.659 billion yuan in 2025, a 1.04% increase, with a net profit of 889 million yuan, down 16.74% [13] - Microchip Bio proposed a share buyback plan of 80 million to 120 million yuan for employee stock ownership [14] - Moore Thread reported a revenue of 1.506 billion yuan in 2025, a 243.37% increase, with a net loss of 1.024 billion yuan [15] - Huace Navigation achieved a revenue of 3.681 billion yuan in 2025, a 13.24% increase, with a net profit of 681 million yuan, up 16.7% [16] - Jiangfeng Electronics reported a revenue of 4.605 billion yuan in 2025, a 27.75% increase, with a net profit of 481 million yuan, up 20.15% [17] - Wol Nuclear Materials achieved a revenue of 8.451 billion yuan in 2025, a 22% increase, with a net profit of 1.135 billion yuan, up 33.95% [18] - Shenghong Co., Ltd. reported a revenue of 3.463 billion yuan in 2025, a 14.07% increase, with a net profit of 474 million yuan, up 10.58% [19] - Sun Paper achieved a revenue of 39.184 billion yuan in 2025, a 3.79% decrease, with a net profit of 3.258 billion yuan, up 5.05% [20] Group 2 - Wuhan Tianyuan's actual controller plans to reduce holdings by up to 1.93% of the company's shares [21][22] - Zhenghai Bio's shareholder plans to reduce holdings by up to 2% of the company's shares [23] - Baiwei Storage reported a revenue of 11.296 billion yuan in 2025, a 68.72% increase, with a net profit of 867 million yuan, up 437.56% [24] - Jierong Technology received a notice of investigation from the China Securities Regulatory Commission for suspected information disclosure violations [25] - Tengda Construction won a bid for a city parking lot construction project worth 172 million yuan [26] - Jiazhen New Energy's shareholder plans to reduce holdings by up to 3% of the company's shares [27] - Jiabiou reported a revenue of 575 million yuan in 2025, a 3.47% increase, with a net profit of 157 million yuan, up 26.15% [28] - Jingsheng Co., Ltd.'s shareholder plans to reduce holdings by up to 3% of the company's shares [29] - Chengdi Xiangjiang's subsidiary signed a significant contract with Shanghai Unicom, with an estimated contract value of 642 million yuan [30] - Guoci Materials plans to acquire 100% of Australian-listed company SDI for 166 million AUD (approximately 816 million yuan) [31] - Zhongfutong plans to raise no more than 643 million yuan through a private placement for various projects [32] - Yuanjie Technology reported a revenue of 601 million yuan in 2025, a 138.5% increase, with a net profit of 191 million yuan, compared to a loss of 6.134 million yuan in the previous year [33] - *ST Dazheng's shareholder plans to reduce holdings by up to 1% of the company's shares [34] - Huasheng Tiancheng clarified its cooperation model with Huawei, indicating that it has a minor impact on overall revenue [35] - Fenghuo Communication reported that its low-orbit satellite communication business contributes less than 1% to total revenue [36] - Huasheng Chang plans to acquire 100% of Jialante's shares for 460 million yuan [37] - Hekang New Energy plans to raise no more than 1.652 billion yuan from Midea Group for various projects [38] - Shuangliang Energy is under investigation by the CSRC for misleading information disclosure [39] - Jingfang Technology reported a revenue of 1.474 billion yuan in 2025, a 30.44% increase, with a net profit of 370 million yuan, up 46.23% [40][41] - Zhongji Xuchuang reported a revenue of 38.24 billion yuan in 2025, a 60.25% increase, with a net profit of 10.799 billion yuan, up 108.81% [42] - Shunluo Electronics reported a revenue of 6.745 billion yuan in 2025, a 14.39% increase, with a net profit of 1.021 billion yuan, up 22.71% [43] - Visual China plans to issue H-shares and apply for listing on the Hong Kong Stock Exchange [44] - Haitai Development is under investigation by the CSRC for information disclosure violations [45] - Biyin Lefen's controlling shareholder plans to increase holdings by 100 million to 200 million yuan [46] - Tapa Group reported a revenue of 4.107 billion yuan in 2025, a 3.99% decrease, with a net profit of 634 million yuan, up 17.87% [47] - Lite Optoelectronics plans to invest in a quartz fabric R&D center and production base with a total investment of 1 billion yuan [48] - Demingli reported a revenue of 10.789 billion yuan in 2025, a 126.07% increase, with a net profit of 688 million yuan, up 96.35% [49] - Shengke Communication's state-owned investment fund reduced its shareholding to 13% [50] - Tongxing Technology plans to invest in a sodium-ion battery anode material project with a total investment of approximately 500 million yuan [51] - *ST Rindong applied to revoke the delisting risk warning for its stock, reporting a net profit of 360 million yuan in 2025, compared to a loss of 833 million yuan in the previous year [53] - Guoli Electronics reported a revenue of 1.323 billion yuan in 2025, a 66.98% increase, with a net profit of 70.6089 million yuan, up 133.51% [54] - Jingzhida plans to raise no more than 2.959 billion yuan through a private placement for various projects [55] - Hongdian Film reported a revenue of 2.298 billion yuan in 2025, a 16.55% increase, with a net profit of 159 million yuan, compared to a loss of 96.376 million yuan in the previous year [56] - Jingzhida's shareholders plan to reduce holdings by up to 1.55% of the company's shares [57] - Xin Anjie announced that its chairman is under investigation and has been detained [58]

Group 1 - The core point of the article highlights the stock buyback and sell-off activities of various A-share listed companies on February 27, with a specific focus on the proposed share buyback by Bi Yin Le Fen and the planned sell-offs by 14 other companies [1][3][4]. Group 2 - Bi Yin Le Fen's controlling shareholder and its concerted parties plan to increase their holdings in the company by 100 million to 200 million yuan [2][4]. - The following companies have announced share sell-offs: - Shengke Communication plans to reduce its stake to 13% by the National Integrated Circuit Industry Investment Fund [5]. - *ST Dazheng intends to sell no more than 1% of its shares [5]. - Changsheng Co. plans to reduce its stake by no more than 3% [5]. - Jiazhe New Energy's shareholder GLP Renewable Energy aims to sell no more than 3% of its shares [5]. - Runhe Software intends to sell no more than 487,970 shares that have been repurchased [5]. - Shenghui Integration's shareholder Suzhou Haohui plans to reduce its stake by no more than 1% [5]. - Zhenghai Biological's shareholder Longwood intends to sell no more than 2% of its shares [5]. - Wuhan Tianyuan's shareholder Tianyuan Advantage plans to reduce its stake by no more than 1.93% [5]. - Changhua Chemical intends to sell no more than 1.4443 million shares [5]. - Meilian New Materials' shareholders plan to collectively reduce their stake by no more than 4% [5]. - Fangda Special Steel's shareholder Xu Huigong intends to sell no more than 1% of its shares [5]. - Riying Electronics' controlling shareholder is planning to reduce its stake by no more than 3% [5]. - Juguang Technology's controlling shareholder and actual controller plan to sell no more than 0.5564% of their shares [5]. - Jieya Co.'s shareholders Mingyuan Fund and its concerted parties plan to collectively reduce their stake by no more than 4.99% [5].

Core Viewpoint - Longwood Biotechnologies Inc. plans to reduce its stake in Zhenghai Biological by selling up to 3,600,000 shares, which represents 2% of the total share capital of the company [2] Group 1: Shareholder Information - Longwood holds 13,811,874 shares, accounting for 7.67% of the total share capital and 7.78% when excluding shares in the repurchase account [2] - The planned reduction will occur within three months after 15 trading days from the announcement date [2] Group 2: Share Reduction Details - The reduction will be executed through centralized bidding or block trading [2] - The maximum number of shares to be sold is 3,600,000, which is 2% of the total share capital and 2.03% when excluding shares in the repurchase account [2]

Major Announcements - Cambrian reported a net profit of 2.059 billion yuan for 2025, turning around from a loss of 450 million yuan in the previous year, with total revenue reaching 6.497 billion yuan, a year-on-year increase of 453.21% [12] - Moer Thread achieved total revenue of 1.506 billion yuan in 2025, marking a year-on-year growth of 243.37%, although it still reported a net loss of 1.024 billion yuan [13] - Zhongji Xuchuang's net profit for 2025 grew by 108.81% year-on-year, reaching 10.799 billion yuan, with total revenue of 38.24 billion yuan, up 60.25% [14] Company Performance Reports - Xirong Environment proposed a cash dividend of approximately 2.35 yuan per 10 shares for 2025, based on a payout ratio of 35% of the net profit attributable to shareholders [2] - Jietu's optical connection business is still in its early stages, contributing less than 5% to total revenue, with growth dependent on various market factors [3] - Zhongying Technology plans to acquire at least 51% of Yingzhong Electric, which specializes in insulation fiber materials [4] - Xibu Superconductor's subsidiary, Juneng Magnet, will be listed on the National Equities Exchange and Quotations starting March 2, 2026 [5] - Ingrity Media announced that some of its bank accounts have had their funds unfrozen, allowing normal operations to resume [6][7] - Dayun Technology plans to establish a joint venture to enhance its semiconductor testing capabilities, with a registered capital of 11 million yuan [7] Financial Highlights - Huazhong Technology reported a net profit of 1.36 billion yuan for 2025, a decrease of 31.19%, despite total revenue increasing by 55.85% to 18.616 billion yuan [36] - Jiangfeng Electronics achieved a net profit of 481 million yuan, up 20.15%, with total revenue of 4.605 billion yuan, a 27.75% increase [20] - Ninebot Company reported a net profit of 1.755 billion yuan, a year-on-year increase of 61.84%, with total revenue of 21.325 billion yuan, up 50.22% [24] - Weicai Technology's net profit reached 300 million yuan, a 134% increase, with total revenue of 1.575 billion yuan, up 46.22% [25] - Dalian Heavy Industry reported a net profit of 588 million yuan, an 18.17% increase, with total revenue of 15.501 billion yuan, up 8.54% [26]

Group 1 - The core point of the article is that Longwood, a shareholder of Zhenghai Biological (300653.SZ), plans to reduce its holdings in the company by up to 3.6 million shares, which represents 2% of the total share capital and 2.03% of the total share capital excluding shares in the repurchase account [1] Group 2 - The reduction will occur within three months starting from 15 trading days after the announcement [1] - The shares will be sold through centralized bidding or block trading methods [1]

Group 1 - The core point of the article is that Zhenghai Biological announced that its shareholder Longwood Biotechnologies Inc. plans to reduce its stake by up to 3.6 million shares, which represents 2% of the total share capital and 2.03% of the total share capital excluding shares in the repurchase account [1] Group 2 - The announcement was made on February 27, and the reduction will occur within three months after 15 trading days from the announcement date [1]

Core Viewpoint - Longwood Biotechnologies Inc. plans to reduce its stake in Zhenghai Biological by up to 3.6 million shares, representing 2% of the total share capital, within three months after the announcement [1] Group 1: Shareholding Details - Longwood currently holds 13.81 million shares in Zhenghai Biological, accounting for 7.67% of the total share capital [1] - After excluding shares in the company's repurchase account, Longwood's stake is 7.78% [1] Group 2: Reduction Plan - The reduction will occur through centralized bidding or block trading within 15 trading days from the announcement date [1] - The maximum number of shares to be sold is 3.6 million, which is 2% of the total share capital and 2.03% of the adjusted total share capital [1]

Group 1: Company Performance - Cambrian achieved a net profit of 2.059 billion yuan in 2025, turning a profit due to a significant increase in revenue, which reached 6.497 billion yuan, a 453.21% increase year-on-year [1] - Muxi reported a total revenue of 1.644 billion yuan in 2025, a 121.26% increase, with net losses narrowing by 44.53% to 781.45 million yuan [2] - Moer Thread's revenue grew by 243.37% to 1.506 billion yuan in 2025, with net losses reduced by 36.70% to 1.024 billion yuan [3] - Lingdian Electric Control's net profit increased by 745.02% to 135 million yuan, despite a slight revenue decrease of 0.17% to 1.194 billion yuan [4] - JinkoSolar reported a net loss of 6.786 billion yuan in 2025, a decrease of 6,959.50%, with total revenue falling by 29.18% to 65.492 billion yuan [16] Group 2: Corporate Actions - Huicheng is planning to issue H-shares and list on the Hong Kong Stock Exchange, with details still under discussion [5] - Zhongying Technology is planning to acquire at least 51% of Yingzhong Electric, which is expected to constitute a major asset restructuring [7] - Jierong Technology's actual controller is under investigation for suspected violations of information disclosure laws [6] Group 3: Market and Industry Trends - The AI industry is driving demand for computing power, benefiting companies like Cambrian and Moer Thread, which are expanding their market presence [1][3] - Muxi's GPU product shipments have significantly increased, reflecting strong market recognition and demand [2] - The global photovoltaic industry is facing price fluctuations and trade protection policies, impacting JinkoSolar's profitability [16]