Group 1 - A new company named Zhejiang Dongyangguang Zhichuang Technology Co., Ltd. was established on September 24, with a registered capital of 200 million RMB [1] - The legal representative of the company is Lou Wangjun [1] - The company's business scope includes manufacturing, design, and sales of integrated circuit chips and products [1] Group 2 - The company is wholly owned by Dongyangguang [1]

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]