Summary of Conference Call on Server Liquid Cooling Industry Overview - The conference call discusses the server liquid cooling industry, highlighting the transition from optional to essential cooling solutions due to increasing AI computing power density, which has risen from 140 kW to over 700 kW [1][2]. Key Insights and Arguments - **Market Growth**: The global server liquid cooling market is projected to reach $18 billion (approximately 100 billion RMB) by 2027, with a significant growth rate expected [1][4]. - **Market Concentration**: By 2024, traditional manufacturers such as AVC and 双鸿 are expected to hold a 96% market share [1][4]. - **Economic Viability**: The total cost of ownership (TCO) for cold plate liquid cooling solutions reaches an economic breakeven point by the 2.8-year mark, making it more cost-effective than traditional air cooling solutions over time [1][3]. Advantages of Liquid Cooling - **Efficiency**: Liquid cooling, particularly cold plate technology, offers superior heat dissipation compared to traditional air cooling, leading to lower energy consumption and improved power usage effectiveness (PUE) [2]. - **Noise Reduction**: The absence of fans in liquid cooling systems eliminates noise pollution [2]. - **Reliability**: The design reduces failure points, enhancing system reliability and lowering maintenance costs [2]. Entry of Consumer Electronics Companies - **Manufacturing Expertise**: Consumer electronics companies leverage their precision manufacturing capabilities, which are crucial for producing high-density liquid cooling plates [5][6]. - **Cost Advantages**: Their large-scale operations provide significant cost benefits in raw material procurement and production processes [5]. - **Global Production**: Many leading consumer electronics firms have established manufacturing facilities in countries like Vietnam and Thailand to mitigate geopolitical risks [5]. - **Technological Transition**: Future advancements in liquid cooling technology may align with existing technologies in the consumer electronics sector, facilitating a smoother transition [5]. Business Models in Liquid Cooling Supply Chain - **Tier 1 and Tier 2 Models**: Consumer electronics companies can enter the liquid cooling supply chain as Tier 1 suppliers, directly serving end customers, or as Tier 2 suppliers, providing subcontracting services [8]. - **Profit Distribution**: Tier 1 suppliers generally enjoy higher profit margins compared to Tier 2 suppliers, who focus on specific manufacturing processes [8]. Key Players in the Market - **Leading Companies**: - **英维克**: Positioned as a Tier 1 supplier with a comprehensive product range and a broad customer base [9]. - **领益智造**: Acquired 立敏达 to gain NVIDIA certification and directly serve clients like AMD and Google, also positioned as a Tier 1 supplier [9]. - **亿东电子 and 科创新源**: Operate as Tier 2 suppliers, focusing on CNC processing and welding/testing, respectively, serving clients like Cooler Master [10]. Challenges for New Entrants - **Certification Barriers**: New entrants face significant challenges in obtaining supplier qualifications from major clients, as the certification process is lengthy and competitive [9]. - **Acquisition as a Strategy**: Acquiring certified companies is a viable strategy for overcoming these barriers and gaining access to top-tier client lists [9]. Conclusion - The server liquid cooling industry is poised for substantial growth, driven by the increasing demand for efficient cooling solutions in high-density computing environments. Consumer electronics companies are well-positioned to leverage their manufacturing expertise and scale to enter this market, although they must navigate certification challenges to establish themselves as key suppliers.

Summary of Liquid Cooling Industry Report Industry Overview - The report focuses on the liquid cooling industry, driven by the increasing demand for cooling solutions in data centers due to rising chip power density and heat dissipation requirements [1][2][4]. Key Insights - **Chip Power Density and Cooling Evolution**: The evolution of chip manufacturing and cooling paths has gone through three stages: 1. 2000-2010: Performance enhancement through increased power. 2. 2010-2018: Performance improvement via multi-core structures. 3. 2018-present: Renewed focus on power increase as marginal advantages of multi-core diminish [2]. - **AI Data Center Growth**: AI computing center installations are expected to grow from approximately 7GW in 2024 to nearly 80GW by 2028, indicating a significant increase in cooling demand [4]. - **Cooling System Efficiency**: The cooling system plays a crucial role in energy efficiency management in data centers, with PUE (Power Usage Effectiveness) being a key metric. A 10°C increase in server temperature can reduce reliability and lifespan by 50% [2][3]. Cooling Solutions - **Mainstream Cooling Solutions**: The primary cooling methods are categorized into: 1. Spray cooling 2. Cold plate cooling 3. Immersion cooling [5]. - **Cold Plate Cooling**: - Typically used in high-density data centers, with a focus on achieving high heat dissipation efficiency. - The technology can be further divided into single-phase (mainly using deionized water) and two-phase systems (using refrigerants) [6][7]. - **Immersion Cooling**: - Divided into single-phase and phase-change immersion cooling, with different refrigerants and suppliers involved [9][10]. Refrigerants and Materials - **Refrigerant Choices**: - Deionized water is the most common choice for single-phase systems, while fluorinated refrigerants are preferred for two-phase systems due to their superior heat transfer capabilities [7][8]. - Fluorinated refrigerants like R32 and R134a are priced around 50,000-60,000 CNY per ton, significantly higher than water but competitive against silicone oils [8]. - **Silicone Oil vs. Fluorinated Liquids**: - Silicone oil is cost-effective (1/8-1/10 the price of fluorinated liquids) but has limitations in cooling performance and flow characteristics [16][14]. - Fluorinated liquids are considered the ultimate solution due to their stability and low dielectric constant, although they pose environmental risks [32][22]. Industry Trends and Innovations - **NVIDIA's Influence**: NVIDIA's new architecture is expected to accelerate the iteration of cooling solutions, necessitating close monitoring of the introduction of fluorinated liquids into cold plate systems [34]. - **Emerging Materials**: - Perfluoropolyethers are being explored as biodegradable alternatives to traditional fluorinated compounds, with varying synthesis methods affecting cost and yield [23][24]. - The industry is also seeing advancements in synthetic hydrocarbons, particularly alpha-olefins, which offer lower viscosity and better thermal stability [17]. Conclusion - The liquid cooling industry is poised for significant growth driven by the demands of AI data centers and the need for efficient cooling solutions. Continuous innovation in materials and technologies will be crucial in meeting the evolving requirements of high-performance computing environments [34].

Core Viewpoint - Haohua Technology (600378) has confirmed that its R134a product, produced by Sinochem Blue Sky, is suitable for applications in cold plate liquid cooling, particularly in data centers and next-generation coaxial cable equipment [1] Group 1 - The R134a product's performance allows it to be utilized in various cooling scenarios [1] - The pricing of R134a for cold plate liquid cooling will vary based on market supply and demand, procurement scale, and service requirements [1] - The specific selling price will be dynamically adjusted according to cost changes and market fluctuations [1]

Summary of Conference Call Records Industry Overview - The records discuss the evolution of data center power and infrastructure architecture in the context of the AI era, highlighting the transition from traditional data centers to new Artificial Intelligence Data Centers (AIDC) [1][2][4]. Key Points and Arguments Transition to AIDC - Traditional data centers are facing disruptive changes due to the exponential growth in computing power demands driven by AI models. The new AIDC architecture includes a power base layer, platform service layer, model enabling layer, and industry application layer, emphasizing vertical integration within each layer [2][4]. - AI servers consume significantly more power than traditional servers, with projections indicating that total power consumption in data centers will double by 2030. The U.S., China, and Europe account for over 80% of global data center capacity, with the U.S. expected to contribute over 50% of the growth in global data center power demand [1][3]. HVDC Technology - The 800V HVDC technology is identified as a key solution to meet the megawatt-level power cabinet demands of the AI era. This technology replaces traditional lead-acid batteries with lithium-ion battery backup units (BBUs) and eliminates the need for uninterruptible power supply (UPS) systems, significantly improving power transmission efficiency [1][3][6]. - NVIDIA plans to transition to 800V HVDC data center power infrastructure starting in 2027 to support IT racks of 1 megawatt and above [3][6]. Cooling Technologies - As chip power consumption and rack power density increase, liquid cooling technology is becoming crucial for data center thermal management. The cooling approach is shifting from pure air cooling to a hybrid air-liquid model, with cold plate liquid cooling being the most widely used solution [1][8]. - The effective cooling boundary for air cooling is approximately 40-60 kW per rack, beyond which liquid cooling is considered more efficient and cost-effective [3][8]. AI Industry Development Stages - The AI industry has progressed through three key stages: 1. **Exploration Phase**: Initial theoretical and conceptual developments in AI. 2. **Foundation Phase**: Technological accumulation and breakthroughs, leading to practical applications in various fields. 3. **Industrial Boom Phase**: Significant growth in AI applications, driven by advancements in computing power and infrastructure, leading to a transformation of traditional data centers into AIDCs [4][5]. Market Projections - The AI data center market is expected to see substantial growth, with IT energy consumption projected to reach 77.7 terawatt-hours by 2025. The liquid cooling server market in China is anticipated to grow at a compound annual growth rate (CAGR) of 48.3% from 2023 to 2028, reaching a total market size of $10.5 billion by 2028 [2][10]. Supply and Demand Dynamics - The upgrade of computing infrastructure is primarily driven by the demand for computing power and the supply-demand gap. Since 2012, the computational requirements for AI training have doubled approximately every 3.4 months, significantly outpacing Moore's Law [11]. Additional Important Insights - The transition to AIDC is not only a technological shift but also a necessary evolution to support the increasing demands of AI workloads, which are pushing the limits of traditional data center capabilities [2][4]. - The development of high-speed optical modules is also highlighted, with the global market expected to reach approximately $14.4 billion by 2024, growing at a rate of 52% [12][13]. - Domestic companies in the AI chip sector are actively pursuing advancements and partnerships to catch up with global leaders, indicating potential investment opportunities in the evolving landscape of data centers and AI technologies [14].

Core Insights - The article emphasizes the transformation of liquid cooling technology from a niche to a necessity in the AI computing era, driven by advancements in AI chip power consumption and the need for efficient cooling solutions [1] - It highlights the shift from reliance on foreign technology to a robust domestic industry capable of competing on a global scale, marking a significant milestone in China's manufacturing capabilities [1] Group 1: Technological Breakthroughs - The iteration of liquid cooling technology is described as a brutal elimination race, with domestic manufacturers overcoming technical barriers and moving from a follower to a competitor position [2] - Domestic companies like Readore and Envicool have achieved significant milestones by obtaining NVIDIA certification for critical components, indicating a shift in market dynamics and the potential for capturing substantial market share [3] Group 2: Comprehensive Industry Development - The article discusses the collaborative efforts across the entire liquid cooling supply chain, with domestic players filling gaps left by foreign companies, particularly in the production of cooling fluids and system components [4] - The establishment of a complete domestic liquid cooling ecosystem is highlighted, which is crucial for resisting foreign competition and ensuring self-sufficiency [4] Group 3: Market Opportunities - The current market landscape shows that cold plate liquid cooling holds a 65% market share, making it an ideal entry point for domestic manufacturers amid supportive government policies and market demand [5] - The rapid growth of the Chinese liquid cooling server market, projected to exceed $3.39 billion by 2025, provides a solid foundation for domestic companies to expand their market presence [8] Group 4: Competitive Landscape - The article notes a significant shift in the competitive landscape, with domestic manufacturers moving from being mere subcontractors to becoming key players in the global liquid cooling supply chain [6] - The entry of domestic brands into high-profile projects, such as Google's TPU solution, signifies a transition from passive participation to active competition for core market shares [7] Group 5: Future Prospects - The global liquid cooling market is expected to reach $14 billion by 2026, with a compound annual growth rate of nearly 50%, presenting a substantial opportunity for domestic manufacturers to establish themselves on the global stage [10] - The article concludes that the journey of domestic manufacturers is just beginning, with ongoing advancements in technology and the potential for expansion into new sectors, reinforcing the notion that domestic innovation is key to future success [10]

Industry Overview - Liquid cooling is a heat dissipation technology that uses liquid to carry away heat from heating devices, replacing traditional air cooling. It leverages the high thermal conductivity and heat capacity of liquids, making it a new cooling solution essential for addressing data center cooling pressures and energy-saving challenges [6][8]. Industry Outlook - The demand for AI infrastructure is surging due to the rapid release of large AI models, significantly driving the need for cooling solutions. Liquid cooling is becoming the mainstream cooling solution in data centers due to its efficiency and deployment advantages [12][14]. - The global data center market is projected to grow from approximately $400 billion in 2025 to over $1 trillion by 2034, with a CAGR of 11% over ten years [25]. - Liquid cooling is expected to replace air cooling as the primary cooling solution, driven by increasing chip power consumption and the limitations of air cooling [28]. Liquid Cooling System Architecture and Technology Route - The main liquid cooling technologies include cold plate cooling and immersion cooling, with cold plate cooling being more prevalent due to its maintenance and space utilization advantages, despite higher costs [44][46]. - Cold plate cooling can be categorized into single-phase and two-phase systems, with two-phase systems offering higher cooling efficiency due to the phase change of the cooling liquid [68]. Industry Status and Market Space - The rapid increase in chip power consumption, such as NVIDIA's GPUs reaching TDPs of 1400W, necessitates the adoption of liquid cooling solutions as air cooling becomes inadequate [28][30]. - The ASIC chip market is expanding, with major cloud service providers accelerating their ASIC chip and liquid cooling solution deployments, further driving liquid cooling demand [34][35]. Industry Chain Analysis - The liquid cooling industry is supported by various policies promoting energy efficiency and carbon reduction in data centers. The Chinese government has issued guidelines to encourage the adoption of advanced cooling technologies, including liquid cooling [39][40]. Domestic Companies Expected to Accelerate Overseas Expansion - Domestic companies are increasingly entering the global market for liquid cooling solutions, driven by advancements in AI and data center technologies [38]. Related Companies - Major cloud service providers, including Alibaba and ByteDance, are announcing significant investments in AI and cloud infrastructure, with Alibaba planning to invest over 380 billion yuan in the next three years [23][20].

Investment Rating - The report indicates a positive investment outlook for the liquid cooling industry, highlighting its transition from a niche option to a mainstream solution in high-density computing scenarios driven by AI and data center demands [3][5]. Core Insights - The explosive growth in computing power demand is reshaping cooling methods in data centers, making liquid cooling a necessity for high-density scenarios. AI model training and inference are driving significant increases in chip power consumption and cabinet power density [3][27]. - Liquid cooling technology offers superior thermal management capabilities, with thermal conductivity over 25 times that of air and heat transfer coefficients 1,000 to 3,000 times greater than traditional air cooling, enabling support for power densities exceeding 50kW and up to 200kW [3][27]. - By 2025, liquid cooling is expected to transition from high-end applications to mainstream adoption, driven by the need for efficient cooling solutions in AI computing centers and supercomputing environments [3][5]. Summary by Sections Market Overview - The global liquid cooling market is led by the United States, with major cloud service providers adopting liquid cooling as a standard for new data centers. The market is characterized by a shift towards immersion cooling, which is growing faster than cold plate cooling [4]. - In China, the liquid cooling market is projected to grow from 11.08 billion yuan in 2023 to 184 billion yuan in 2024, with a compound annual growth rate of 66.1% expected through 2025 [5]. Technology Comparison - Liquid cooling technologies include cold plate cooling, immersion cooling, and spray cooling, with cold plate cooling currently holding a 65% market share due to its compatibility and lower retrofit costs. Immersion cooling is expected to gain traction due to its higher efficiency and noise reduction capabilities [11][14]. - The total cost of ownership (TCO) for liquid cooling is projected to be 20%-30% lower than air cooling over five years in high-density scenarios, making it a more cost-effective solution despite higher initial investments [18][22]. Efficiency and Performance - Liquid cooling systems can achieve a Power Usage Effectiveness (PUE) of 1.1-1.2, significantly lower than traditional air cooling systems, which can reach PUE values of 1.4-1.8. This efficiency translates to substantial energy savings and reduced operational costs [19][30]. - The report emphasizes that liquid cooling can extend equipment lifespan by over 30% due to better thermal management, reducing the risk of overheating-related failures [27][21]. Future Outlook - The liquid cooling market is expected to enter a phase of comprehensive expansion from 2025 to 2029, with a projected annual growth rate of 37.4%. This growth will be supported by cost advantages from economies of scale, improved technology ecosystems, and expanded application scenarios [5][23].

Group 1 - The company, Jialitu, responded to investor inquiries on January 6, indicating that its liquid cooling product series includes various categories such as liquid cooling micro-modules, containerized liquid cooling, cold plate liquid cooling, and immersion liquid cooling [1] - For detailed information on specific products and typical case studies, the company advises referring to its periodic reports or official website [1]

Core Viewpoint - The company emphasizes that cold plate liquid cooling and immersion liquid cooling are complementary technologies for different application scenarios, with cold plate technology remaining the mainstream solution in the market, while immersion cooling shows unique technical value in ultra-high power density scenarios [1] Group 1 - The company has two technology routes, with the "key technology and application of immersion liquid cooling equipment for data centers" recognized as reaching an internationally advanced level [1] - The company plans to continue exploring and iterating on thermal management innovation technologies [1]

Core Viewpoint - The data center industry is undergoing a profound transformation, evolving from a mere physical space for data storage and computation to a "computing power center" essential for AI model training and algorithm iteration [1] Group 1: Industry Challenges and Opportunities - The primary challenge facing the IDC industry is not merely technical bottlenecks but a shift in cognitive understanding, moving from "what I can do" to "what I need to do in the future" [3][11] - The demand for computing power in the AI era is characterized by diversification, high elasticity, and rapid iteration, with hardware and algorithm cycles shortening from five to six years to two to three years, and potentially to six months in the future [5] Group 2: Strategic Directions - The future computing power centers must embody compatibility and foresight, as traditional data centers lacking these traits are at risk of obsolescence [4] - The company advocates for a "toolbox" approach, storing a series of compatible technologies that can be flexibly combined to meet varying needs and developmental stages [6] Group 3: Lifecycle and Sustainability - The industry is currently focused on PUE (Power Usage Effectiveness) and WUE (Water Usage Effectiveness), but a more comprehensive view of the full lifecycle resource consumption is necessary, from raw material extraction to end-of-life disposal [7][8] - The company has developed models to analyze the true value of energy-saving measures, emphasizing the importance of optimizing applications and reducing energy conversion losses [8] Group 4: Cooling Technologies - Liquid cooling technology is seen as a potential solution for high-density heat dissipation, but its current market share is only about 15%, with mainstream applications still concentrated in the 10-20 kW range [10] - The company acknowledges that the development of high-density liquid cooling is still in the exploratory phase, requiring extensive application cases and data to validate its effectiveness [11]