Group 1 - The technology sector has seen significant growth, with two "doubling funds" emerging in the second half of the year and multiple products increasing by over 90% [1] - Key stocks contributing to fund net value include leading optical module companies such as Xinyi Technology (300502), Zhongji Xuchuang (300308), and Tianfu Communication (300394) [1] - Notable performers this year include Shenghong Technology (300476), which has increased over 6 times, and Yingweike (002837), which has doubled in the second half of the year, appearing in many high-performing funds' portfolios [1] Group 2 - Fund managers have raised concerns about risks in the optical module sector, noting that many doubling funds' key stocks are at historically high price-to-earnings ratios, indicating potential short-term correction risks [1] - The frequent switching of market hotspots this year may lead to increased volatility in product performance if the held sectors enter a correction phase [1] - Issues related to scale and liquidity are also highlighted, as the rapid expansion of some doubling funds may complicate asset allocation and limit the adjustment space for key stocks, potentially restricting future operational flexibility [1]

Investment Rating - Industry investment rating: Positive (maintained) [1] Core Insights - Huawei's Ascend roadmap was released, projecting a tenfold increase in computing power over the next decade, with AI storage capacity expected to grow 500 times by 2035, accounting for over 70% of total storage needs [14][15] - Microsoft announced the construction of the world's most powerful AI data center, Fairwater, with an initial investment of $3.3 billion, expected to be operational by early 2026, which will significantly boost demand for optical modules and switches [5][16] - The report emphasizes the importance of the Huawei AI chain, OCS, and domestic computing sectors, recommending various stocks across these segments [6][11] Summary by Sections 1. Investment Outlook - Huawei's new Ascend chip series will be launched in phases from 2026 to 2028, with significant improvements in bandwidth and computing power [11][12] - The report suggests focusing on seven key investment areas, including network equipment, AIDC construction, IT equipment, computing leasing, cloud computing platforms, AI applications, and satellite internet & 6G [17][18] 2. Communication Data Tracking - As of July 2025, China had 4.598 million 5G base stations, with 1.137 billion 5G mobile users, reflecting a year-on-year growth of 19.68% [25][27] - The report notes a decline in 5G smartphone shipments in June 2025, with a total of 18.436 million units shipped, a year-on-year decrease of 16.7% [25][32] 3. Operator Performance - In the first half of 2025, China Mobile's cloud revenue reached 56.1 billion yuan, a year-on-year increase of 11.3%, while China Telecom's cloud revenue was 57.3 billion yuan, up 3.8% [40][41] - The ARPU values for the three major operators remained stable, with slight decreases noted for China Mobile and China Unicom [40][44]

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].

Market Overview - The Shanghai Composite Index fell by 0.30% on September 19, with 16 out of the 28 sectors rising, led by coal and non-ferrous metals, which increased by 1.97% and 1.19% respectively. The automotive and pharmaceutical sectors saw the largest declines, down by 1.94% and 1.41% respectively [1] Fund Flow Analysis - The main funds in the two markets experienced a net outflow of 58.733 billion yuan, with 8 sectors seeing net inflows. The non-ferrous metals sector led with a net inflow of 872 million yuan, followed by the media sector with a 0.49% increase and a net inflow of 692 million yuan [1] - A total of 23 sectors experienced net outflows, with the computer sector leading at 10.723 billion yuan, followed by the automotive sector with an outflow of 7.929 billion yuan. Other sectors with significant outflows included machinery, electrical equipment, and pharmaceuticals [1] Machinery Sector Performance - The machinery sector declined by 0.60%, with a net outflow of 7.793 billion yuan. Out of 530 stocks in this sector, 131 rose, 5 hit the daily limit up, while 390 fell, with 5 hitting the daily limit down [2] - Within the machinery sector, 153 stocks saw net inflows, with 5 stocks exceeding 100 million yuan in net inflow. The top stock was Shanhe Intelligent, with a net inflow of 442 million yuan, followed by Huagong Technology and Sany Heavy Industry with inflows of 269 million yuan and 249 million yuan respectively [2] - The sector also had 26 stocks with net outflows exceeding 100 million yuan, led by Julun Intelligent, with an outflow of 735 million yuan, followed by Yingweike and Changsheng Bearing with outflows of 516 million yuan and 439 million yuan respectively [3] Top Gainers in Machinery Sector - The top gainers in the machinery sector included: - Shanhe Intelligent: +10.00%, turnover rate 24.24%, net inflow 441.59 million yuan - Huagong Technology: +4.05%, turnover rate 9.87%, net inflow 268.59 million yuan - Sany Heavy Industry: +5.29%, turnover rate 1.71%, net inflow 248.63 million yuan [2] Top Losers in Machinery Sector - The top losers in the machinery sector included: - Julun Intelligent: -6.41%, turnover rate 20.49%, net outflow -734.81 million yuan - Yingweike: -4.66%, turnover rate 8.34%, net outflow -516.39 million yuan - Changsheng Bearing: -7.40%, turnover rate 12.33%, net outflow -438.93 million yuan [3]

Company Overview - Invech Technology Co., Ltd. is located in Longhua District, Shenzhen, Guangdong Province, and was established on August 15, 2005. The company went public on December 29, 2016. Its main business involves the research, development, production, and sales of precision temperature control energy-saving equipment, as well as air conditioning and maintenance services for rail transit trains and traditional buses [1]. Business Segmentation - The revenue composition of Invech is as follows: 52.50% from data center temperature control energy-saving products, 36.00% from cabinet temperature control energy-saving products, 9.82% from other sources, 0.93% from rail transit train air conditioning and services, and 0.75% from bus air conditioning [1]. Stock Performance - On September 18, Invech's stock price increased by 5.94%, reaching 79.90 CNY per share, with a trading volume of 4.194 billion CNY and a turnover rate of 6.38%. The total market capitalization is 77.449 billion CNY [1]. Fund Holdings - Tianhong Fund has a significant holding in Invech, with its Tianhong Guozheng New Energy Battery Index Fund A (021963) increasing its position by 3,700 shares in the second quarter, bringing the total to 14,700 shares, which accounts for 3.07% of the fund's net value, ranking it as the eighth largest holding [2]. Fund Performance - The Tianhong Guozheng New Energy Battery Index Fund A has a total asset size of 5.9776 million CNY and has achieved a year-to-date return of 40.97%, ranking 962 out of 4,222 in its category. Since its inception, the fund has returned 38.16% [2].

Core Viewpoint - The liquid cooling sector is gaining traction due to the increasing demand for cooling solutions in AI and high-performance computing, with significant growth expected in the market over the next few years [6][7][9]. Group 1: Market Trends - The global AI liquid cooling market is projected to reach $8.6 billion by 2026, indicating rapid market growth [7]. - In China, the liquid cooling market for intelligent computing centers is expected to reach 18.4 billion yuan in 2024, a 66.1% increase from 2023, and could grow to approximately 130 billion yuan by 2029 [7]. Group 2: Company Performance - Silver Wheel Co. (银轮股份) has the highest institutional ratings at 29, with a stock price increase of over 114% this year. The company is expected to see net profit growth of 35.29% in 2025 and 26.16% in 2026 [9]. - Other companies like Inspur Information (浪潮信息) and Invech (英维克) are also projected to have net profit growth rates exceeding 20% in the coming years [9]. Group 3: Technological Developments - NVIDIA is pushing suppliers to develop microchannel liquid cooling plates (MLCP) to address the rising heat from AI GPU chips, with prices 3 to 5 times higher than traditional cooling solutions [6]. - Liquid cooling is becoming the mainstream solution due to its efficiency and ability to handle the increasing power density of chips, as traditional air cooling methods are no longer sufficient [6][7]. Group 4: Company Initiatives - New Zobang (新宙邦) is actively participating in setting standards for liquid cooling and has developed mature products for various data center applications [8]. - High Lan Co. (高澜股份) offers a range of liquid cooling solutions and aims to maintain a Power Usage Effectiveness (PUE) of below 1.1 [8].

Summary of Liquid Cooling Technology Conference Call Industry Overview - The focus is on liquid cooling technology innovations primarily in the server and data center sectors, with existing solutions including cold plate, spray, and silent cooling methods. The unidirectional cold plate method is highlighted as the mainstream solution due to its high thermal efficiency and cost-effectiveness [1][4]. Key Points and Arguments - **Drivers of Liquid Cooling Technology Development**: 1. Continuous increase in chip and cabinet power consumption, with CPUs now exceeding 10 kW and cabinet peak power reaching 120-130 kW [5]. 2. Strict PUE (Power Usage Effectiveness) requirements, with new data centers needing to maintain a PUE below 1.25 [5]. 3. Total Cost of Ownership (TCO) considerations, where unidirectional cold plate systems show significant economic advantages over traditional air cooling [5]. - **Market Growth Projections**: - The domestic market is expected to reach 4-5 billion yuan in 2025 and grow to 7-8 billion yuan by 2026. The global market is projected to approach 100 billion yuan by 2026 [1][10]. - **Key Components of Liquid Cooling Systems**: - Liquid cooling plates and CDU (Central Distribution Unit) each account for approximately 30% of the system's value. Other components like manifolds and quick connectors contribute an additional 10-20% [9]. - **Challenges for Silent Cooling Solutions**: - Silent cooling methods face challenges due to high costs and environmental concerns regarding refrigerants, limiting their market viability [8][6]. - **Opportunities for Chinese Companies**: - Chinese firms are gaining ground in the global liquid cooling supply chain, with some technologies now comparable to international competitors. There is potential for increased orders, especially in high-value segments [11]. Additional Important Insights - **Liquid Cooling System Components**: - The liquid cooling system includes critical components such as liquid cooling plates, CDU, and quick connectors, which are essential for effective thermal management [9]. - **Future Trends**: - The liquid cooling industry is expected to experience a steeper growth trajectory compared to other segments like optical modules by 2026, with a focus on companies that can achieve order breakthroughs [16]. - **Competitive Landscape**: - Companies like Invec are noted for their comprehensive capabilities in both server and data center liquid cooling solutions, positioning them well for future growth [17]. - **Research and Development**: - Ongoing exploration of integrating microchannels into cooling plates is underway, which could enhance thermal performance, although this is still in the research phase [7]. This summary encapsulates the key discussions and insights from the conference call regarding the liquid cooling technology sector, highlighting its growth potential, challenges, and the competitive landscape.

Investment Rating - The report maintains a "Buy" rating for the power equipment sector [7][18]. Core Insights - The demand for overseas computing power has exceeded expectations, leading to a significant acceleration in the domestic ecosystem [5][6]. - The AI computing infrastructure is experiencing a dual resonance of supply and demand, with the liquid cooling server industry poised for a clear breakout point [15][16]. - Major cloud service providers are expected to invest heavily in liquid cooling technology due to the advanced process of the new generation of chips [5][15]. - The domestic AI industry chain is becoming increasingly competitive, with significant fundraising efforts by leading companies to enhance their capabilities [6][16]. Summary by Sections Investment Viewpoints - The report highlights strong AI beta resonance across various companies, from established overseas firms to domestic players [17]. - The power generation sector is identified as a logical area for growth, with specific recommendations for companies such as KOTAI Power and AIDC leasing firm Hongjing Technology [7][17]. Industry Dynamics - The report notes that the global capital expenditure for data center infrastructure is projected to reach $3-4 trillion over the next five years [15]. - Oracle's latest financial report anticipates a 77% surge in cloud infrastructure revenue, indicating robust market demand [5][15]. - The report also discusses the recent approval of large-scale fundraising by domestic AI companies, which is expected to enhance their competitive edge [6][16]. Key Companies and Earnings Forecast - The report provides a detailed earnings forecast for several companies in the power equipment sector, including: - KOTAI Power (Buy) - Yingweike (Buy) - Macromit (Buy) - Shunling Environment (Buy) - Hewei Electric (Buy) [10][20][19].

Investment Rating - The report assigns an "Accumulate" rating to the company, indicating a potential increase of 5% to 15% relative to the CSI 300 index over the next six months [28]. Core Views - The company achieved a total revenue of 2.573 billion yuan in the first half of 2025, representing a year-on-year growth of 50.25%, with a net profit attributable to shareholders of 216 million yuan, up 17.54% year-on-year [7][8]. - The rapid growth in revenue is driven by significant increases in the data center cooling and cabinet cooling segments, which grew by 58% and 32% respectively [8]. - The company is positioned to benefit from the increasing adoption of liquid cooling technology in high-density data centers, particularly in overseas markets [11][12]. Summary by Sections Financial Performance - In H1 2025, the company reported a total revenue of 2.573 billion yuan, a 50.25% increase year-on-year, and a net profit of 216 million yuan, reflecting a 17.54% growth [7][8]. - The gross margin and net margin for H1 2025 were 26.15% and 8.78%, respectively, with slight declines of 2.33 percentage points and 1.92 percentage points year-on-year [9]. - The company's revenue from the data center cooling business was 1.351 billion yuan, a 57.91% increase, making it the largest segment [10]. Business Segments - The data center cooling segment accounted for 52.5% of total revenue, while the cabinet cooling segment contributed 36% [10]. - The company has seen a significant increase in revenue from energy storage applications, which reached approximately 800 million yuan, a growth of about 35% year-on-year [10]. - Other business segments, including customized cooling solutions for various electronic fields, generated 253 million yuan, marking a 216.04% increase [10]. Market Position and Outlook - The company is recognized as a leader in liquid cooling solutions, with a comprehensive product offering that includes components from cooling plates to delivery systems [11]. - The increasing power consumption of AI servers, such as NVIDIA's GB200, is driving demand for liquid cooling solutions, positioning the company to benefit from this trend [12]. - Revenue projections for the company are optimistic, with expected revenues of 6.621 billion yuan, 8.847 billion yuan, and 11.362 billion yuan for 2025, 2026, and 2027, respectively [13][14].

Group 1 - The company, Invech (002837.SZ), currently has no partnership with Oracle Corporation [1]