太平洋近日发布机械行业周报：本期（12月15日-12月19日），沪深300下降0.3%，机械板块下降1.7%， 在所有一级行业中排名28。细分行业看，塑料加工机械跌幅最小，下跌0.4%；油气装备跌幅最大，下 跌6.7%。 AI算力爆发催生液冷散热，关注液冷设备相关标的。 随着全球AI算力需求爆发式增长，传统风冷技术因散热效率低、能耗高、噪音大等问题，已难以满足 高功率芯片和超大规模数据中心的需求，而液冷技术凭借其高热传导效率、低能耗和静音优势，成为散 热领域的技术革新方向。当前，芯片功耗越来越高，如英伟达GB300的TDP功耗预计高达1400W，下一 代Rubin Ultra GPU功耗预计更高，因此需要更加高效的散热来保证芯片的稳定运行，采用液冷技术是大 势所趋。同时，从经济性的角度考虑，施耐德数据显示，在容量相同的数据中心，按每机架20kW和每 机架40kW的方式部署液冷，结果显示，采用液冷比传统风冷分别节省了10%和14%的投资成本。此 外，从政策端看，全球对数据中心PUE的要求日趋严格，以我国为例，国家发展改革委、工信部等部委 联合印发的《数据中心绿色低碳发展专项行动计划》明确提出，到2025年底，全 ...

Core Viewpoint - The report highlights the significant growth in the semiconductor equipment sector, driven by advancements in 5G communication, artificial intelligence, and cloud computing, which demand enhanced cooling solutions for high-performance chips [1][3]. Market Review - During the period from September 22 to September 26, the CSI 300 index increased by 1.1%, while the machinery sector rose by 1.6%, ranking 7th among all primary industries [2]. - The semiconductor equipment segment experienced the highest growth, with a rise of 15.4%, whereas the plastic processing machinery sector saw the largest decline, dropping by 2.0% [2]. Industry Insights - Diamond cooling solutions have emerged as a focal point, with the increasing demand for cooling capabilities in high-performance computing scenarios [3]. - Key advantages of diamond cooling include: 1. Exceptional thermal conductivity, exceeding 2200 W/(m·K), significantly outperforming traditional materials like copper and aluminum [3]. 2. Excellent thermal stability, maintaining physical and chemical properties under high-temperature conditions without deformation or performance degradation [3]. 3. Good compatibility with semiconductor materials, forming reliable and stable cooling structures without chemical reactions with most semiconductor materials such as silicon and gallium nitride [3]. - Major technology companies, including NVIDIA and Huawei, are exploring diamond cooling technologies, with NVIDIA testing diamond-cooled GPUs that can triple AI and cloud computing performance [3]. - The report suggests that as diamond cooling solutions continue to evolve, they may reshape the global competitive landscape of cooling technologies, with China positioned to benefit due to its leading production of synthetic diamonds [3].

Core Viewpoint - The Indian Ministry of Finance has announced the imposition of anti-dumping duties on plastic processing machines imported from mainland China and Taiwan for a period of five years, following a positive final ruling by the Ministry of Commerce [1][3]. Group 1: Anti-Dumping Duties - The anti-dumping duties are set at CIF 0%-63% for products from mainland China and CIF 0%-53% for those from Taiwan [1]. - The affected products include various plastic processing machines or injection molding machines with clamping forces between 40 tons and 1500 tons, including semi-knocked down (SKD) and completely knocked down (CKD) assemblies [1][3]. Group 2: Exemptions - Certain products are exempt from these duties, including blow molding machines classified under Indian customs code 84773000, vertical injection molding machines, and all electric injection molding machines with independent servo motor control [1][2]. - Additionally, imported independent parts/components and machines used for producing non-injection molding machines are also excluded from the duties [2][3]. Group 3: Background of the Investigation - The investigation was initiated on March 29, 2024, following a request from the Plastics Machinery Manufacturers Association of India [3]. - The final ruling was made on March 27, 2025, confirming the anti-dumping measures [3].