Core Viewpoint - Dongyangguang Group is undergoing a significant ownership transition as the controlling shareholder, Guo Meilan, transfers her stakes in subsidiaries to her son, Zhang Yushuang, marking a generational shift in leadership and control of the company [1][3][5]. Group 1: Ownership Structure Changes - Guo Meilan has transferred 71.75% of her shares in Luyuan Yunen Electronics and 74.63% in Luyuan Xinjing Technology to Zhang Yushuang, resulting in Zhang directly holding 99.20% and 75.00% of these companies respectively [1][3]. - Following the transfer, Zhang Yushuang indirectly holds 38.70% of Dongyangguang Group through these subsidiaries, effectively becoming the new controlling shareholder [3][5]. Group 2: Company Background and Financial Performance - Dongyangguang Group, founded in 1997, has diversified its operations into five main sectors: electronic components, high-end aluminum foil, chemical new materials, energy materials, and liquid cooling technology, with a global market share of approximately 30% in the chemical foil sector [8]. - For the first three quarters of 2025, Dongyangguang reported revenues of 10.97 billion yuan and a net profit of 906 million yuan [8]. Group 3: Strategic Developments and Future Plans - Under Zhang Yushuang's leadership, Dongyangguang is actively pursuing upgrades and strategic transformations, including investments in AI and embodied intelligence [12]. - The company has established a joint venture with Zhongji Xuchuang to enhance its capabilities in liquid cooling technology, and it has made significant investments in semiconductor technology to strengthen its competitive position [12][14]. - In a landmark move, Dongyangguang acquired all operations of Qinhuai Data in China for 28 billion yuan, marking the largest merger in the IDC industry in China [12][14].

人民财讯12月31日电，企查查APP显示，近日，乳源东阳光（600673）环境科技有限公司成立，注册资 本为2000万元，经营范围包含：资源再生利用技术研发；再生资源加工；固体废物治理；生态环境材料 制造；制冷、空调设备制造等。企查查股权穿透显示，该公司由东阳光旗下乳源东阳光氟有限公司全资 持股。 ...

| 146 | 沈南鹏 | 400 | 33% | 红杉 | 香港 | 投资 | ર્ ૨૪ | | --- | --- | --- | --- | --- | --- | --- | --- | | 146 | 郭梅兰、张寓帅 | 400 | 86% | 东阳光 | 广东东莞 | 医药、电子新材 | 62, 38 | | | 럽글 | | | | | 料 | | | 146 | 阮立平 | 400 | -2% | 公牛 | 浙江宁波 | 插座 | QI | 张寓帅、郭梅兰登上2025胡润百富榜。来源：胡润研究院 公开资料显示，郭梅兰出生于1963年，张寓帅出生于1987年，母子俩均为浙江东阳人。张寓帅今年38岁，现任东阳光集团董事长。他毕业于浙江大学， 2011年7月至2015年8月，在东莞东阳光药物研发有限公司研究院任职，历任生物所所长、仿药所所长兼副院长；2015年6月起至今担任宜昌东阳光药业股 份有限公司董事；2017年1月至2020年4月担任东阳光董事长。 公告显示，郭梅兰因年事已高，与其儿子张寓帅签署了《股权转让协议》，将其所持有的乳源瑶族自治县寓能电子实业有限公司(以下简称"乳源寓能电 子")7 ...

南方财经记者杨期鑫实习生郑凝 12月29日晚，东阳光（600673）发布公告，控股股东深圳市东阳光实业发展有限公司进行股权结构内部 调整，公司实控人之一的郭梅兰因年事已高，与儿子张寓帅签署了《股权转让协议》，将其所持有的乳 源寓能电子71.75%股权、乳源新京科技74.63%股权全部转让予张寓帅。 本次股权比例调整后，郭梅兰女士不再持有乳源寓能电子和乳源新京科技的股权，不再间接持有公司的 股份；张寓帅先生直接持有乳源寓能电子99.20%的股权、持有乳源新京科技75.00%的股权，并通过乳 源寓能电子和乳源新京科技间接持有深圳东阳光实业100%股权，从而间接持有公司1,164,828,691 股股 份，占公司总股本的38.70%。东阳光实控人将由郭梅兰和张寓帅变更为张寓帅。 如今，东阳光主营业务已涵盖电子元器件、高端铝箔、化工新材料、能源材料、液冷科技五大板块，其 中化成箔全球市占率约30%，是国内唯一化成箔出口占比超50%的企业。 2025年前三季度，东阳光实现收入109.70亿元，归母净利润9.06亿元。 在深耕电子新材料的同时，集团自2001年起前瞻性布局生物医药领域，投资设立了宜昌长江药业有限公 司（后 ...

| 证券代码：600673 | 证券简称：东阳光 | | 编号：临 2025-77 号 | | --- | --- | --- | --- | | 债券代码：242444 | 债券简称：25 东科 | 01 | | | | 是否 为控 | | | 是否 | 是否 | | | | | 占其所 | 占公司 | 质押 融资 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 股东名称 | 股股 | 本次质押股数 | | 为限 | 补充 | 质押起始日 | | 质押到期日 | 质权人 | 持股份 | 总股本 | 资金 | | | | | | 售股 | 质押 | | | | | 比例 | 比例 | | | | 东 | | | | | | | | | | | 用途 | | 宜昌东阳 | | | | | | 2025年 12 | 月 | 办理完股票 | | | | 用于 | | 光药业股份 | 否 | 20,000,000 | 股 | 否 | 否 | | | 解除质押登 | 金融机构 | 3.67% | 0. ...

每经头条（nbdtoutiao）——2025十大财经新闻出炉！护航、酣战、变局、狂飙分别指向哪些大事件？ 每经AI快讯，东阳光12月30日晚间发布公告称，控股股东之一致行动人宜昌东阳光药业股份有限公司 持有公司股份约5.45亿股，占公司总股本的18.11%；截至本次股份质押完成后，宜昌药业股份持有公司 股份累计质押数量约为5.42亿股，占其持股数量的99.38%。截至本公告披露日，公司控股股东深圳市东 阳光实业发展有限公司累计质押股数数量约为5.42亿股，占其持股数量的87.37%；控股股东及其一致行 动人累计质押股数数量约为12.49亿股，占其合计持股数量的78.55%。 （记者 曾健辉） ...

Core Viewpoint - Dongyangguang's actual controller Guo Meilan has transferred her stakes in Luyuan Yunen Electronics (71.75%) and Luyuan Xinjing Technology (74.63%) to Zhang Yushua, enabling him to indirectly hold 100% of Dongyangguang Group and 38.70% of the listed company Dongyangguang [1][4] Group 1: Share Transfer and Ownership Structure - Guo Meilan, aged 62, has transferred her entire stakes in two companies to her son Zhang Yushua, who was born in 1987 [1] - After the transfer, Guo Meilan no longer holds any shares in the two companies and thus does not indirectly hold shares in Dongyangguang [1] - Zhang Yushua now indirectly holds 11.65 billion shares of Dongyangguang, representing 38.70% of the total share capital [1] Group 2: Company Performance and Business Expansion - Dongyangguang Group achieved a record total output of over 51 billion yuan in 2023, with total assets exceeding 80 billion yuan and cumulative taxes paid over 20 billion yuan [4] - The group has expanded its business from electronic materials to biomedicine and health, and is actively acquiring in the computing power sector [4][11] - Dongyangguang's stock market value is approximately 26 billion yuan, with the group directly holding 6.2 billion shares and indirectly holding 5.45 billion shares of the listed company [4] Group 3: Financial Performance - In the first half of the year, Dongyangguang reported a revenue of 1.938 billion yuan, a year-on-year decline of 23.95%, and a net profit of 46.37 million yuan, turning from profit to loss [8] - For the first three quarters, Dongyangguang achieved a revenue of 10.97 billion yuan, with a year-on-year increase of 109.7%, and a net profit of 906 million yuan, up 189.8% [8][10] - The company plans to acquire Qinhuai Data for 28 billion yuan to create a closed-loop business model in the computing power sector [11]

【财华社讯】东阳光药(06887.HK)公布，董事会接获公司控股股东集团成员张寓帅及郭梅兰告知，鉴于 郭梅兰决定退休并减少参与集团业务，于2025年12月29日，张寓帅与郭梅兰订立股权转让协议，据此郭 梅兰将其分别于乳源寓能电子及乳源新京科技持有的71.75%股权及74.63%股权转让张寓帅，转让之名 义代价各分别为人民币1.00元。郭梅兰为张寓帅的母亲。 完成相关监管备案及股权转让交割后，张寓帅将分别持有乳源寓能电子及乳源新京科技99.2%及75.0% 股权，从而成为控股股东集团的新领导人，而郭梅兰将不再为控股股东集团成员。 董事认为，股权转让对公司整体财务及营运不会产生任何不利影响。 本文源自：财华网 ...

Core Insights - The development of AI has led to significant power consumption issues, making liquid cooling solutions increasingly essential for data centers and high-density computing environments [1] - The Chinese liquid cooling server market is projected to reach $2.37 billion in 2024, representing a year-on-year growth of 67.0%, and is expected to grow to $3.39 billion in 2025, with a compound annual growth rate (CAGR) of 46.8% from 2024 to 2029, ultimately reaching $16.2 billion by 2029 [1] - The demand for liquid cooling fluids is also expected to surge alongside the growth of the liquid cooling market [1] Liquid Cooling Fluids - Various options for liquid cooling fluids are available, with glycol, propylene glycol, and water being predominant in cold plate cooling, while oil, silicone, and fluorinated liquids are used in immersion cooling [2] - Fluorinated liquids are becoming a critical component in both immersion and cold plate cooling systems due to their surface tension, insulation properties, and material compatibility, especially in high-power density AI server applications [2] - The exit of 3M from the market presents growth opportunities for domestic companies in the high-performance fluorinated liquid segment [2] Investment Recommendations - The rise of AI has created significant power and cooling challenges, positioning liquid cooling as a vital solution, with liquid cooling fluids expected to grow rapidly [2] - Companies that are early entrants into the liquid cooling supply chain are likely to benefit, with specific recommendations to focus on firms such as Dongyangguang, Xinzhoubang, Runhe Materials, Juhua Co., Yonghe Co., Haohua Technology, Jinshi Resources, Dongyue Group, Yongtai Technology, Huayi Group, Sanmei Co., Unity Co., Bayi Shikong, Changlan Technology, Xin'an Co., and Jitai Co. [2]

董事认为，股权转让对本公司整体财务及营运不会产生任何不利影响。 智通财经APP讯，东阳光药(06887)发布公告，本公司董事会接获张寓帅先生(张先生)及郭梅兰女士(郭女 士)(各自作为本公司的控股股东集团成员)(控股股东)告知，鉴于郭女士决定退休并减少参与本集团业 务，于2025年12月29日，张先生与郭女士订立股权转让协议，郭女士将其分别于乳源瑶族自治县寓能电 子实业有限公司(乳源寓能电子)及乳源瑶族自治县新京科技发展有限公司(乳源新京科技)持有的71.75% 股权及74.63%股权转让张先生，转让的名义代价各分别为人民币1.00元(股权转让)。郭女士为张先生的 母亲。 完成相关监管备案及股权转让交割后，张先生将分别持有乳源寓能电子及乳源新京科技99.2%及75.0% 股权，从而成为控股股东集团的新领导人，而郭女士将不再为控股股东集团成员。 ...