Summary of Invek's Conference Call Company Overview - Invek's revenue primarily comes from two main product lines: temperature control energy-saving products (approximately 50%) and energy storage business (approximately 40%), with 90% of the latter being energy storage-related income [2][3] - The electronic cooling business (including liquid cooling plates and air cooling components) is expected to become a new growth point for the company [2] Financial Performance - The latest interim report shows that data center revenue grew by over 50%, while energy storage business revenue reached 800 million yuan, a year-on-year increase of approximately 35% [2][4] - Despite a significant apparent decline in gross margin due to accounting standard adjustments, the actual impact on profit was negligible. After excluding these adjustments, the overall gross margin decreased by 2.3 percentage points [5] - Liquid cooling revenue reached 200 million yuan, with a year-on-year growth of over 200%, primarily driven by the expansion of electronic cooling [5] Strategic Advantages - Invek's strategic advantages include a management team focused on profitability, a stable workforce, and a combination of Huawei's innovative spirit and Emerson's quality operational advantages. The company avoids price wars and emphasizes quality and operations [6] - The management team has a strong R&D background, which enhances the company's capabilities in technological innovation and strategic planning [9] Future Development Focus - The future focus for Invek will be on the development of the electronic cooling business, which includes liquid cooling plates and cooling modules for base stations and mining machines. This segment is expected to become a significant third growth curve [7][8] - Inventory and contract liabilities increased at the end of Q2 compared to Q1, providing revenue assurance for Q3 [7] Innovation and R&D - Invek employs a platform-based R&D model that enhances overall efficiency and optimizes product design. This model integrates various development steps to achieve high collaboration and efficiency [10] - The company has demonstrated strong innovation capabilities, particularly in the data center sector, where it has maintained positive growth despite industry pressures [11][12] Liquid Cooling Technology - Invek offers a comprehensive solution in the liquid cooling field, covering both the data center side and server-side cooling, allowing the company to capture 100% of the value chain [13] - The company has established strong partnerships in both domestic and international markets, positioning itself as a leading player in the liquid cooling sector [14] Conclusion - Invek is recognized as a high-quality growth company in the liquid cooling market, with a strong foundation in both domestic and international markets, and a comprehensive capability to provide complete solutions [14]

Group 1 - The core viewpoint is that liquid cooling technology, specifically the cold plate solution, is currently the mainstream choice in the market for data centers and similar applications [1] - Leading companies in the industry are adopting the cold plate liquid cooling technology due to its maturity and reliability [1] - The industrialization progress indicates that cold plate liquid cooling remains the preferred solution for current application scenarios [1]

Group 1 - The core viewpoint of the report is that Yingweike (002837.SZ) is rated as a buy due to strong performance driven by dual growth in data center temperature control and cabinet temperature control in the first half of 2025 [2] - The business structure and competitive factors are expected to put short-term pressure on the gross margin [2] - The liquid cooling segment is anticipated to become another important area for AI export, alongside optical modules, with platform companies likely to benefit significantly [2]

Group 1 - The global artificial intelligence market is expected to achieve a compound annual growth rate (CAGR) of over 35% from 2023 to 2030, driving the demand for advanced cooling technologies in data centers [1][2] - Traditional air cooling systems are limited to a cooling capacity of around 20 kW per cabinet, making it increasingly difficult to meet the high cooling demands of modern data centers [2] - Liquid cooling technology, which uses liquid instead of air as a cooling medium, significantly improves cooling efficiency and can effectively meet the high heat dissipation requirements of IT equipment [3] Group 2 - Liquid cooling technology can greatly reduce energy consumption in data centers, leading to significant savings in power system construction and operational costs [3] - The use of cold plate liquid cooling can lower the Power Usage Effectiveness (PUE) to between 1.15 and 1.25, while phase change immersion cooling can achieve a PUE below 1.1 [3] - For a 10 MW data center, a reduction of 0.1 in PUE can result in annual energy savings of 8.76 million kWh, equivalent to a reduction of 8,730 tons of CO2 emissions [3] Group 3 - The penetration rate of immersion liquid cooling is expected to increase, leading to a significant rise in demand for fluorinated liquids [4] - The global market for immersion cooling liquids in data centers is projected to reach $970 million by 2030, with a CAGR of 21.2% in the coming years [4] - Perfluoropolyether (PFPE) is anticipated to become a mainstream product in the fluorinated cooling liquid market due to its excellent chemical and thermal stability, high thermal conductivity, and dielectric strength [4] Group 4 - Companies to watch include New Zobang (300037.SZ), a global leader in PFPE, which has developed a series of products for immersion cooling technology [5] - Juhua Co., Ltd. (600160.SH) is actively expanding its presence in the liquid cooling sector, with a planned production capacity of 5,000 tons per year for its cooling liquids [5]

Group 1: Market Performance - The Shanghai Stock Exchange Sci-Tech Innovation Board 100 Index (000698) increased by 0.37% as of August 20, 2025, with notable gains from constituent stocks such as Shengke Communication (688702) up 17.14% and Aiwei Electronics (688798) up 14.07% [1] - The Sci-Tech 100 Index ETF (588030) rose by 0.17%, with a latest price of 1.21 yuan, and has seen a cumulative increase of 5.21% over the past week, ranking 3rd among comparable funds [1] - The ETF experienced a turnover rate of 3.27% with a transaction volume of 234 million yuan, and an average daily transaction volume of 433 million yuan over the past week, leading among comparable funds [1] Group 2: Semiconductor Industry Insights - In 2024, global semiconductor equipment sales are projected to grow by 10% year-on-year, reaching 117.1 billion USD, driven by AI advancements and domestic semiconductor initiatives in China [2] - The domestic semiconductor cleaning equipment market in China is valued at 11.3 billion yuan, with a localization rate of 35%, indicating significant potential for domestic substitution [2] - The liquid cooling server market in China is expected to grow by 67% year-on-year in 2024, reaching 2.37 billion USD, with a projected CAGR of 46.8% from 2024 to 2029 [2] Group 3: ETF Growth Metrics - The Sci-Tech 100 Index ETF saw a significant increase in scale, growing by 469 million yuan over the past week, ranking 1st among comparable funds [3] - The ETF's share count increased by 21 million shares in the past week, also ranking 1st among comparable funds, with a net inflow of 29.14 million yuan [4] - Over the past five trading days, the ETF recorded net inflows on four days, totaling 310 million yuan, with an average daily net inflow of 6.21 million yuan [4] Group 4: Performance and Risk Metrics - As of August 15, 2025, the Sci-Tech 100 Index ETF had a Sharpe ratio of 1.63, indicating strong risk-adjusted returns [5] - The ETF's relative drawdown compared to the benchmark was 0.20% year-to-date, with a recovery period of 108 days [5] - The ETF has a management fee of 0.15% and a custody fee of 0.05%, which are among the lowest in comparable funds, and it has a tracking error of 0.020% year-to-date, indicating high tracking precision [6] Group 5: Index Composition - The Sci-Tech 100 Index consists of 100 securities selected from the Shanghai Stock Exchange Sci-Tech Innovation Board, focusing on mid-cap stocks with good liquidity [6] - As of July 31, 2025, the top ten weighted stocks in the index accounted for 23.52% of the total index weight, including companies like Borui Pharmaceutical (688166) and BeiGene (688235) [6]

Group 1 - The company was asked about the revenue proportion of its liquid cooling business and whether it has entered the certification systems of Nvidia and Huawei [2] - The company responded that its liquid cooling-related business primarily serves major clients, while applications for other clients are currently in the validation stage [2]

Summary of Conference Call on 3D Printing Liquid Cooling Technology Industry Overview - The conference discusses the liquid cooling industry, particularly focusing on 3D printing technology's application in cooling systems for high-performance computing and AI workloads [1][2][3]. Key Points and Arguments - **Adoption of Liquid Cooling Solutions**: Starting in 2024, companies like NVIDIA are adopting the OCP ORV3 single-sided cold plate liquid cooling solution due to its industry support and large-scale delivery capabilities, marking a shift from traditional immersion cooling methods [1][2]. - **3D Printing Advantages**: 3D printing technology is suitable for manufacturing microchannels and complex geometries in liquid cooling systems, which traditional CNC machining struggles to achieve. This technology can significantly reduce thermal and flow resistance, enhancing cooling efficiency [1][5]. - **Performance Metrics**: A single board can achieve a water flow rate of 150 liters per minute while maintaining temperature control within 4 kilowatts [1][5]. - **High Technical Barriers**: The 3D printing liquid cooling plate technology has high barriers to entry, requiring advanced laser control, specific processing techniques, and dedicated manufacturing equipment. Companies that master these technologies will have a significant first-mover advantage [1][9]. - **China's Supply Chain Strengths**: China's supply chain in the cooling sector excels in materials, processes, and large-scale production capabilities. Successful companies often focus on specific segments and possess substantial production capacity [10]. - **Profitability and Cost Dynamics**: The profitability of liquid cooling companies is closely tied to their scale. The ability to achieve mass production with new processes and materials is crucial. In the AI computing sector, while the value of liquid cooling systems is relatively low, they are essential for enhancing the stability of core IP performance [13][22]. Additional Important Insights - **Emerging Technologies**: The year 2025 is anticipated to be a pivotal year for liquid cooling applications, with ongoing research into phase change cooling plates and hybrid cooling solutions [2][3]. - **Market Pricing**: The recognized price for liquid cooling materials in the AI sector is approximately $300 per kilowatt, with a typical liquid cooling plate valued at over $40,000 [22]. - **Competitive Landscape**: Companies like Zhuanshan Precision and Platinum are exploring 3D printing applications in cooling systems, although they face challenges in precision and technology advancement [6][7][23]. - **Integration and OEM Roles**: Integrators and OEM manufacturers play a crucial role in the supply chain by assembling various components into complete modules, which helps create barriers to entry for competitors [11]. - **Consumer Goods Influence**: The transfer of capabilities from the consumer goods sector to the server domain is seen as beneficial, leveraging scale and cost advantages to address technical challenges in high-heat environments [25][26]. This summary encapsulates the critical insights from the conference call, highlighting the evolving landscape of the liquid cooling industry and the pivotal role of 3D printing technology.

Summary of Conference Call Records Industry Overview - The conference call discusses the liquid cooling technology industry, particularly focusing on NVIDIA's advancements and the domestic market in China. The liquid cooling market is expected to grow significantly, with projections indicating a potential market size of 50 billion yuan by 2028 [2][27]. Key Points and Arguments NVIDIA's Liquid Cooling Technology - NVIDIA has faced thermal issues with the GB200 model, leading to the adoption of an all-purpose plate liquid cooling solution for the GB300, which has passed testing [1][2]. - Future Rubin series chips may utilize two-phase all-purpose plates or two-phase coupled silent liquid cooling, explicitly excluding water-based liquids [1][3]. - The single cabinet power for future models could reach 300-500 kW, necessitating more efficient cooling solutions due to increased chip thermal density [2][3]. Market Dynamics - The domestic liquid cooling market is projected to double in size to approximately 3 billion yuan in 2023, still significantly smaller than overseas markets [1][13]. - Companies like Alibaba are shifting from self-built data centers to leasing due to slow construction speeds, planning to invest 380 billion yuan over three years [2][20]. - The competition remains stable, with many companies still exploring effective air cooling solutions due to deployment speed being a critical factor [13][14]. Technical Developments - The dual-plate liquid cooling system has undergone iterations to address volatility, low toxicity, and cost control [1][4]. - The transition from copper to aluminum for liquid cooling plates is aimed at reducing costs, although complex processing may offset some savings [1][8]. - The total cost for a single cabinet using a single-plate system is approximately $100,000, with hardware accounting for 30%-40% of that cost [7][8]. Future Trends - The future of liquid cooling systems is expected to include both all-purpose and immersion cooling solutions, with potential cost increases of 1.5-1.8 times for different configurations [10][11]. - The domestic market is still in its early stages, with significant growth potential as companies adapt to new technologies and cooling methods [13][27]. - Efficient management and optimization of cooling media will be crucial for future developments, especially as the market scales [27]. Challenges and Considerations - The use of water-based media in single-plate systems has low initial construction costs but high total ownership costs over the lifecycle [2][27]. - The complexity of manufacturing two-phase cooling plates increases labor and processing costs, impacting overall pricing strategies [9][8]. - The industry faces challenges in maintaining system stability and addressing the toxicity and volatility of cooling media, particularly in single-phase systems [24][23]. Competitive Landscape - Domestic manufacturers like Huawei and Alibaba are exploring various cooling technologies, with Huawei's Ascend 910C chip showing competitive performance [16][22]. - The market is characterized by a mix of established players and emerging companies, with significant investments in research and development for liquid cooling technologies [12][15]. Additional Important Insights - The shift towards aluminum in liquid cooling systems is driven by its compatibility with refrigerants and cost-effectiveness, despite concerns over corrosion [28]. - The choice of refrigerants is critical, with 134A being a common option, but facing regulatory challenges that may necessitate the development of more environmentally friendly alternatives [30]. - The overall trend indicates a move towards more integrated and efficient cooling solutions that can handle the increasing demands of high-performance computing environments [32].

Summary of Conference Call Records Companies and Industries Involved - **Companies**:环旭电子 (Huanxu Electronics), 工业富联 (Industrial Fulian), 比亚迪电子 (BYD Electronics) - **Industries**: Electronics, AI, Automotive, Cooling Technology Key Points and Arguments Huanxu Electronics - Benefiting from integrated SoC eyewear solutions, with expected unit value reaching three-digit USD levels, driven by increased orders from Meta, presenting new investment opportunities [1] - Achieved breakthroughs in 1.6T optical modules, network cards, and power supply businesses, leveraging the packaging capabilities of its parent company, ASE Group, and the advantages of the Taiwanese supply chain [1][2] - The high-voltage power supply product line is projected to reach a market size of $4 billion by 2027, with a target to capture nearly half of the market share [2] Industrial Fulian - Recent strong stock performance attributed to outstanding Q2 financial results, with GB200 cabinets and products beginning to ship, validating its high barriers to entry and profitability [1][4] - The proliferation of liquid cooling technology and the delegation of procurement rights from NVIDIA have reduced overall costs for mainland manufacturers, enhancing profitability [1][4] - Increased shipment volumes and scale effects have made even minor profit improvements significantly impactful for the company [4] BYD Electronics - Continuously improving the structure of North American key customer components and assembly business through the acquisition of JEP and operational improvements, leading to reduced financial costs [1][5] - Major customers plan to launch foldable smartphones and smart home products in 2026, which will provide profit elasticity [5] - Expanding from smart cockpit to smart driving and thermal management in the automotive sector, enhancing competitiveness [3][5] - After obtaining certification from Hengwei in 2024, the company has become a qualified supplier in the power supply and liquid cooling sectors, with strong manufacturing capabilities expected to further expand market share [3][5] - The current valuation of Hong Kong stocks relative to A-shares still has discount space, but the development of AI product lines may change this situation [3][5] Other Important but Possibly Overlooked Content - The integration of AI-related components in Huanxu Electronics' product offerings, including SIP modules for WiFi and integrated solutions with SoC, is expected to significantly enhance product miniaturization and value [2] - The impact of supply chain dynamics on BYD Electronics' competitive advantage and potential valuation uplift if supply chains are relaxed in the future [3][5]

Core Viewpoint - Chuanrun Co., Ltd. (002272) reported significant growth in revenue and a reduction in net loss for the first half of 2025, driven by its expanding new energy business and improved management practices [1][2] Financial Performance - The company achieved operating revenue of 804 million yuan, a year-on-year increase of 25.08% [1] - Net profit was -23.57 million yuan, representing a year-on-year reduction in loss of 58.35% [1] - Net cash flow from operating activities was 1.41 million yuan, up 101.19% year-on-year [1] Business Development - Chuanrun Co., Ltd. focuses on high-end energy equipment and industrial services, leveraging "fluid control technology + intelligent energy equipment" to create a comprehensive energy ecosystem [1] - The company has developed over 20 projects related to the "source-network-load-storage" integrated energy system [1] Subsidiary Performance - Chuanrun Hydraulic, a wholly-owned subsidiary, reported revenue of 510 million yuan and a net profit of 23.13 million yuan, up from 389 million yuan and 10.53 million yuan respectively in the previous year [2] - The growth in the subsidiary's performance is a key contributor to the overall revenue and profit increase of Chuanrun Co., Ltd. [2] Market Trends - The liquid cooling technology is expected to see a market penetration rate increase to 45% by 2025, driven by rising demand in data centers due to advancements in artificial intelligence [3] - The Chinese liquid cooling data center market is projected to grow at a compound annual growth rate of 59% from 2023 to 2027, potentially exceeding 100 billion yuan by 2027 [3] Strategic Partnerships - Chuanrun Co., Ltd. signed a strategic cooperation agreement with Xiangjiang Technology to advance liquid cooling technology for data centers [2] Stock Market Performance - Chuanrun Co., Ltd.'s stock price has surged over 130% since mid-April, with the stock hitting the daily limit for three consecutive trading days from August 15 to 19 [3] - Major institutional investors, including JPMorgan Chase and Morgan Stanley, have increased their holdings in the company [3]