证券代码：600673 证券简称：东阳光 公告编号：临 2025-58 号 债券代码：242444 债券简称：25 东科 01 广东东阳光科技控股股份有限公司 关于召开2025年第二次临时股东大会的通知 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： 一、 召开会议的基本情况 (一)股东大会类型和届次 2025年第二次临时股东大会 (二)股东大会召集人：董事会 (三)投票方式：本次股东大会所采用的表决方式是现场投票和网络投票相结合的 方式 (四)现场会议召开的日期、时间和地点 召开的日期时间：2025 年 10 月 10 日 上午10 点 00 分 召开地点：广东省韶关市乳源县侯公渡镇东阳光工业园区会议室 (五)网络投票的系统、起止日期和投票时间。 网络投票系统：上海证券交易所股东大会网络投票系统 股东大会召开日期：2025年10月10日 本次股东大会采用的网络投票系统：上海证券交易所股东大会网络投票 系统 网络投票起止时间：自2025 年 10 月 10 日 至2025 年 10 月 10 日 本次股东大会审 ...

| 证券简称：东阳光 债券简称：25 东科 | | 证券代码：600673 债券代码：242444 | | | --- | --- | --- | --- | | | | | 2025-57 | | | 01 | | 编号：临 号 | 广东东阳光科技控股股份有限公司 关于上海证券交易所对公司与关联方共同增资收购资产的监管 工作函的回复公告 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。 广东东阳光科技控股股份有限公司（以下简称"公司"、"上市公司"或"东 阳光"）于近日收到上海证券交易所下发的《关于广东东阳光科技控股股份有限 公司与关联方共同增资收购资产的监管工作函》（上证公函【2025】1332 号） （以下简称"《工作函》"）。公司对《工作函》高度重视，积极组织对《工作 函》涉及的问题进行逐项落实。现就《工作函》中相关问题回复如下： 问题 1：关于交易的必要性。 公告显示，标的公司主营数据中心领域。上市公司主营业务是电子元器件、 高端铝箔、化工新材料、能源材料等业务。本次交易完成后，公司成为东数一 号的参股股东，间接持有标 ...

Market Overview - On September 22, the comprehensive sector rose by 0.41% compared to the previous trading day, with Dongyangguang leading the gains [1] - The Shanghai Composite Index closed at 3828.58, up 0.22%, while the Shenzhen Component Index closed at 13157.97, up 0.67% [1] Stock Performance - Dongyangguang (600673) closed at 25.02, with a gain of 1.42% and a trading volume of 845,500 shares, amounting to a transaction value of 2.085 billion yuan [1] - Other notable performers included Yuegui Co. (000833) with a closing price of 14.11, up 1.07%, and Nanjing New Bai (600682) at 7.67, up 0.92% [1] - Conversely, stocks like Zhangzhou Development (000753) and Hongmian Co. (000523) experienced slight declines of 0.14% and 0.30%, respectively [1] Capital Flow - The comprehensive sector saw a net outflow of 90.8654 million yuan from main funds, while retail funds experienced a net inflow of 24.7913 million yuan [2] - The main funds showed a significant outflow from stocks like Ningbo United (600051) and Nanjing Public Utilities (000421), with net outflows of 2.4774 million yuan and 3.2332 million yuan, respectively [3] Individual Stock Capital Flow - Zhangzhou Development (000753) had a net inflow of 14.4143 million yuan from main funds, while it faced a net outflow of 22.8642 million yuan from retail investors [3] - Other stocks like Guangdong Gui (000833) and Sanmu Group (000632) also reported mixed capital flows, with net inflows from main and retail funds [3]

Group 1 - Zhejiang Dongyangguang Liquid Cooling Technology Co., Ltd. was established on September 18, with a registered capital of 100 million RMB [1] - The legal representative of the company is Hu Laiwen [1] - The business scope includes sales of cloud computing equipment, sales of artificial intelligence hardware, integration services for artificial intelligence industry applications, and data processing and storage support services [1] Group 2 - The company is jointly held by Guangdong Dongyangguang Liquid Cooling Technology Co., Ltd. and Zhuangyuan [1]

Investment Rating - The report rates the liquid cooling industry as "Overweight," indicating that it is expected to outperform the overall market [3]. Core Insights - The MLCP (Micro-Channel Liquid Cooling Plate) technology is highlighted as an innovative solution to address the cooling challenges posed by ultra-high power chips, with expected power consumption exceeding 2000W [3][5]. - The report emphasizes the importance of micro-channel design, forced convection, and optimized fluid dynamics in achieving high heat exchange efficiency [5]. - Key companies in the industry are recommended for attention, including Jiangshun Technology, Yingweike, and Kangsheng Co., among others, due to their advancements in liquid cooling technology [5]. Summary by Sections Industry Overview - The MLCP technology utilizes micro-scale fluid channels to achieve efficient heat exchange, capable of handling extreme thermal loads [5]. - The manufacturing processes for micro-channels include etching, 3D printing, and stamping, each with its advantages and limitations [5]. Key Companies and Valuations - Jiangshun Technology: Market cap of 48.74 billion, projected net profit of 1.55 billion in 2024 [6]. - Yingweike: Market cap of 756.61 billion, projected net profit of 4.53 billion in 2024 [6]. - Kangsheng Co.: Market cap of 54.89 billion, with a projected net profit of -0.98 billion in 2024 [6]. - Other notable companies include Nanfeng Co., Huazhu High-Tech, and Yinhong Co., with varying market caps and profit projections [6].

Group 1 - The controlling shareholder, Yichang Dongyangguang Pharmaceutical Co., Ltd., holds approximately 545 million shares of Dongyangguang, accounting for 18.11% of the total share capital [1] - After the completion of share pledge and unpledge, Yichang Pharmaceutical has pledged a total of about 498 million shares, which is 91.31% of its holdings [1] - As of the announcement date, the controlling shareholder Shenzhen Dongyangguang Industrial Development Co., Ltd. has pledged approximately 542 million shares, representing 87.37% of its holdings [1] Group 2 - The total number of pledged shares by the controlling shareholders and their concerted parties amounts to approximately 1.22 billion shares, which is 76.74% of their combined holdings [1] - For the first half of 2025, Dongyangguang's revenue composition is as follows: high-end aluminum foil accounts for 40.81%, chemical new materials 27.63%, electronic components 25.4%, other businesses 2.63%, and energy materials 2.61% [1] - The current market capitalization of Dongyangguang is 74.2 billion yuan [2]

| 证券代码：600673 | 证券简称：东阳光 | 编号：临 2025-56 号 | | --- | --- | --- | | 债券代码：242444 | 债券简称：25 东科 | 01 | 广东东阳光科技控股股份有限公司 关于控股股东之一致行动人部分股份解质押及质押的公告 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: 控股股东之一致行动人宜昌东阳光药业股份有限公司（以下简称"宜昌 药业股份"）持有本公司股份 545,023,350 股，占公司总股本的 18.11%；截至本 次股份解质押及质押完成后，宜昌药业股份持有本公司股份累计质押数量为 497,650,000 股，占其持股数量的 91.31%。 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（以 下简称"深圳东阳光实业"）累计质押股数数量为 541,527,254 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为 1,220,267,797 股， 占其合计持股数量的 76.74%。 一、本次股份解质押及质押基本 ...

Market Overview - The Shanghai Composite Index fell by 1.15% on September 18, with only three sectors showing gains: electronics (up 0.93%), communications (up 0.19%), and social services (up 0.03%) [1] Capital Flow - The main capital flow showed a net outflow of 108.407 billion yuan across the two markets, with only two sectors experiencing net inflows: coal (2.35 million yuan) and social services (32.239 million yuan) [1] - The non-bank financial sector had the largest net outflow, totaling 18.970 billion yuan, followed by the non-ferrous metals sector with a net outflow of 12.748 billion yuan [1] Sector Performance - The comprehensive sector declined by 2.85%, with a total net outflow of 4.91 million yuan. All 16 stocks in this sector experienced declines [1] - Among the comprehensive sector stocks, only four saw net inflows, with the highest inflow recorded for one specific stock [1]

Core Viewpoint - The acquisition of Qinhuai Data by Dongyangguang represents a significant move into the AI computing infrastructure sector, highlighting the growing importance of data centers as essential assets in the digital economy [1][15][16] Group 1: Acquisition Details - Dongyangguang, in collaboration with Shenzhen Dongyangguang Industrial Development Co., has formed a buyer consortium to acquire 100% of Qinhuai Data for 28 billion RMB, marking the largest M&A deal in China's IDC industry to date [1][4] - The acquisition structure is complex, involving multiple steps and significant leverage, allowing Dongyangguang to minimize direct financial exposure while gaining strategic access to the AI computing market [4][6][10] - Post-acquisition, Dongyangguang will hold a minority stake in the acquiring entity, East Data No. 1, ensuring that the financial risks associated with Qinhuai Data's operations do not directly impact Dongyangguang's balance sheet [6][10][12] Group 2: Strategic Implications - The acquisition is seen as a strategic move for Dongyangguang to transition from traditional manufacturing to becoming a key player in the AI computing infrastructure space, leveraging its existing capabilities in clean energy and liquid cooling technologies [15][16] - Dongyangguang aims to create a synergistic relationship with Qinhuai Data, enhancing operational efficiency and expanding its market presence in the data center sector [7][15] - The deal reflects a broader trend of traditional industries entering the AI and data center markets, as companies seek to capitalize on the growing demand for computing power driven by advancements in AI technologies [2][16][17] Group 3: Market Context - The data center market is experiencing a significant valuation reassessment, with major investments from both traditional and tech companies, indicating a robust growth trajectory for AI infrastructure [17] - Qinhuai Data has established itself as a leading player in the market, with substantial revenue contributions from major clients like ByteDance, underscoring its strategic value in the AI ecosystem [10][13] - The global AI server market is projected to grow from $125.1 billion in 2024 to $222.7 billion by 2028, highlighting the lucrative opportunities within the sector [16]

Core Insights - The acquisition of Qinhuai Data by Dongyangguang and its partners for 28 billion RMB marks the largest M&A deal in China's IDC industry to date, reflecting the growing interest in data as a key asset in the AI era [1][5][6] - Dongyangguang aims to integrate resources in liquid cooling materials, AIDC, and clean energy to build a large-scale green intelligent computing center, enhancing its position in the AI computing landscape [1][10] Company Overview - Dongyangguang, traditionally focused on aluminum foil and chemical manufacturing, is now entering the core layer of the digital economy through capital acquisition and industrial synergy [2][10] - The company reported a revenue of 7.124 billion RMB for the first half of 2025, a year-on-year increase of 18.48%, with a net profit of 613 million RMB, reflecting strong financial performance [8][9] Acquisition Details - The acquisition structure involves a complex three-step process, with Dongyangguang and its affiliates investing in a subsidiary that will ultimately acquire Qinhuai Data, allowing for a leveraged buyout without directly impacting Dongyangguang's balance sheet [3][4] - Post-acquisition, Dongyangguang will hold a minority stake in the acquiring entity, minimizing financial risk while gaining access to the lucrative data center market [4][12] Market Context - Qinhuai Data operates a significant scale of computing infrastructure, with nearly 900 MW of operational and under-construction capacity, positioning it as a major player in the "East Data West Computing" initiative [6][7] - The data center market is experiencing a valuation reassessment, driven by the increasing demand for AI infrastructure, with IDC predicting the global AI server market to grow from 125.1 billion USD in 2024 to 222.7 billion USD by 2028 [11] Strategic Implications - The acquisition is seen as a strategic move for Dongyangguang to transition from traditional manufacturing to becoming a comprehensive AI computing platform provider, leveraging its existing clean energy resources and technological capabilities [10][11] - The partnership with Qinhuai Data is expected to create synergies in technology, product offerings, and regional deployment, enhancing operational efficiency and market competitiveness [10][12]