AIGC 快速迭代推动全球主要互联网厂商资本开支提速，随着以英伟达GB200 及Rubin 平台架构GPU 为 代表的AI 芯片向高功率发展，HVDC有望凭借其高效率、高可靠性、空间优化、快速部署等优势成为 智算中心供配电方案的发展方向。根据我们测算，预计2025-2027 年全球HVDC 空间达27.9/74.8/144.4 亿元，HVDC 渗透率有望加速向上。 绑定国内头部互联网厂商龙头地位稳固，布局海外市场拓展新成长。公司HVDC 电源产品成熟，在以 BAT 为代表的大型云计算数据中心和第三方colo 数据中心实现大规模应用，市场份额领先，转换效 率、工程经验优势显著。未来HVDC 向800V 升级+国内外渗透率提升，公司龙头地位有望进一步强 化。公司积极布局海外市场，抢占AIDC 发展红利。 核心观点： 盈利预测与投资建议。公司作为国内HVDC 领域龙头企业，充分受益AIDC 建设新机遇。我们预计 2025-2027 年公司归母净利润分别为2.06/3.37/4.90 亿元，对应EPS 为0.37/0.60/0.87 元/股。选取通合科 技、欧陆通、麦格米特为可比公司，综合给予公司2025 年45xP ...

国内海外变化不断，再谈 AIDC 行业投资机会 20260629 摘要 算力需求强劲增长，世纪互联上修业绩指引，英伟达 B30 显卡积极推进， 短期内有望验证国内外 AIDC 行业景气度，当前行业调整至底部，市场 悲观预期充分释放。 国内外互联网大厂 Token 使用量高速增长，如微软一季度超 100 万亿， 字节跳动豆包大模型 2025 年 5 月日均超 16.4 万亿，较年初增长超 4 倍，较发布初期增长超 100 倍，表明用户量和使用频率提升显著推动底 层 Token 需求爆发。 全球数据中心加权平均空置率 2025 年一季度为 6.6%，同比下降 2 个 百分点，反映数据中心需求端景气度持续高涨。 AI 产业趋势确定性及国内外"军备竞赛"是数据中心建设核心动力。美 国计划增加能源供应支持 AI 扩张，Meta 计划募资 290 亿美元建设 AI 数据中心，世纪互联宣布未来十年建设 10GW 超大规模数据中心集群。 AIDC 建设中，电气设备领域关注电源、变压器和开关等产品。配电系 统从交流向直流（HVDC）转型趋势明确，HVDC 电源系统、继电器和 低压电器等产品价值量存在提升空间。 Q&A 当前 A ...

Group 1: Port Industry Insights - The port industry valuation has increased due to sentiment catalysts and re-evaluation factors, particularly after the sale of terminal assets by Cheung Kong, which achieved an EV/EBITDA of 11 times, while the industry average is between 6-8 times, indicating significant re-evaluation potential [1] - Xiamen Port Development, as the only listed platform under Fujian Port Group, leverages the strategic location of Xiamen Port (the 14th largest container port globally) to establish three core businesses: bulk cargo terminals, port logistics, and port services [1] - The company plans to expand into the container terminal sector through a major asset restructuring by 2025, enhancing its position as a comprehensive modern port logistics service provider [1] - With the gradual recovery of global trade and the ongoing Belt and Road Initiative, Xiamen Port's container throughput and domestic logistics demand are expected to continue growing [1] - Xiamen Port Development is well-positioned for long-term growth due to strong port resources, policy support, and market competitiveness, especially in the context of the overall re-evaluation of the port industry [1] - Investors are encouraged to pay attention to companies like COSCO Shipping Ports and China Merchants Port, particularly COSCO Shipping Ports, which benefits from being part of the world's largest container shipping alliance [1] Group 2: AI and Data Center Infrastructure - The demand for data center infrastructure (AIDC) is entering a new cycle as global internet giants, particularly Alibaba, ByteDance, and Tencent, increase their investments in AI capabilities [4] - North America's four major cloud service providers are expected to exceed $315 billion in capital expenditures by 2025, driven by AI-related demand, leading to significant expansion in the data center industry [4] - The demand for key IT power supplies in data centers is projected to double from 49 GW in 2023 to 96 GW by 2026, with 90% of this growth attributed to AI-related needs [4] - The global market for temperature control in data centers is expected to grow from approximately $7.7 billion in 2023 to $17.8 billion by 2028, with a CAGR of about 18.4% [4] - Liquid cooling technology is becoming increasingly important in data centers, with its market share expected to rise to 33% due to the trend of increasing server cabinet power [4] - Domestic brands are likely to replace foreign brands in the backup power supply segment within data centers, especially under tight supply-demand conditions [4] Group 3: Emerging Technologies and Market Trends - Deep-sea technology has been officially included in the national future industry development priorities in the 2025 government work report, indicating the rise of this emerging industry and gaining national policy support [10] - The deep-sea technology sector has significant industrial potential, aligning with national strategic needs and offering broad market prospects, potentially becoming a new growth area for the economy [10] - The industry requires the integration of various technologies, including oceanography, artificial intelligence, and bioengineering, to advance technologies such as bionic robots and deep-sea sensors [10] - The marine economy is expected to grow robustly, with China's marine economy projected to exceed 10 trillion yuan in total by 2024 [10] - AI technology can enhance sustainable development by using intelligent sensor networks and big data analysis to assess fishery resources and formulate protection strategies [10]