Investment Rating - The report suggests a positive investment outlook for the diesel generator set industry, particularly for domestic OEM manufacturers and key players in the supply chain [2][5]. Core Insights - The domestic AI model Deepseek is accelerating the application of AI in China, leading to a significant increase in computing power demand, which in turn benefits the diesel generator set market as it is a core component of data center infrastructure [3][5]. - Diesel generator sets are essential for data centers, accounting for approximately 23% of supporting infrastructure costs and 6%-7% of total data center construction costs. The market for diesel generators in data centers is projected to grow from 4.57 billion yuan in 2023 to 13.16 billion yuan by 2028, with a compound annual growth rate (CAGR) of 24% [3][31]. - Domestic brands are expected to benefit from the challenges faced by foreign manufacturers in expanding production capacity, leading to opportunities for volume and price increases for local suppliers [3][5]. Summary by Sections 1. Deepseek Accelerates Domestic AI Application and Drives Computing Power Demand - Deepseek demonstrates performance comparable to leading international AI models, significantly enhancing domestic AI application scenarios and driving up computing power demand [3][6]. - Major tech companies like Tencent and Alibaba are increasing capital expenditures for computing power infrastructure, with Tencent's capital expenditure reaching 768 billion yuan in 2024, a 221% year-on-year increase [3][14]. 2. Diesel Generator Sets as Core CAPEX for Data Centers - Diesel generator sets are critical backup power sources for data centers, complementing UPS systems to ensure continuous operation during power outages [22][24]. - The construction of data centers requires diesel generator sets, which are mandated for A and B level data centers as per national standards [24][26]. - The market for diesel generator sets in data centers is expected to reach 13.16 billion yuan by 2028, driven by the rapid growth of intelligent computing power [31][32]. 3. Domestic Supply Chain Benefits from High Demand and Limited Foreign Expansion - The core components of diesel generator sets, particularly diesel engines, are dominated by foreign brands, which hold a 90% market share in 2024. However, domestic brands are gaining market share due to supply chain challenges faced by foreign manufacturers [3][47]. - Recent bidding results show that domestic manufacturers like Weichai Heavy Machinery have significantly increased their market share in high-pressure diesel generator sets [66][68]. 4. Investment Recommendations - The report recommends focusing on domestic OEM manufacturers such as KOTAI Power, Taihao Technology, and Sumida, as well as main engine manufacturers like Weichai Heavy Machinery and component manufacturers like Linde [3][5].

Investment Rating - The report suggests a positive investment outlook for the diesel generator set industry, particularly for domestic OEM manufacturers and key players in the supply chain [2][5]. Core Insights - The domestic AI model Deepseek is accelerating the application of AI in China, significantly increasing the demand for computing power, which in turn benefits the diesel generator set market as it is a core component of data center infrastructure [3][5]. - Diesel generator sets are essential backup power sources for data centers, which are experiencing substantial capital expenditure growth due to rising computing power demands [3][5]. - Domestic brands are poised to benefit from the challenges faced by foreign manufacturers in expanding production capacity, leading to opportunities for volume and price increases for local suppliers [3][5]. Summary by Sections 1. Deepseek Accelerates Domestic AI Application and Boosts Computing Power Demand - Deepseek demonstrates performance comparable to leading international AI models, enhancing the domestic AI application landscape and driving up computing power needs [6][14]. - Major tech companies like Tencent and Alibaba are significantly increasing their capital expenditures for computing infrastructure, with Tencent's capital expenditure reaching 768 billion yuan in 2024, a 221% year-on-year increase [14][15]. 2. Diesel Generator Sets as Core CAPEX for Data Centers - Diesel generator sets account for 23% of the supporting infrastructure costs in data centers, which are projected to grow from a market size of 4.57 billion yuan in 2023 to 13.16 billion yuan by 2028, reflecting a compound annual growth rate (CAGR) of 24% [3][31]. - The demand for high-capacity diesel generators is expected to rise significantly due to the increasing construction of AI-related data centers, which require robust power backup systems [24][26]. 3. Domestic Supply Chain Benefits from High Demand and Limited Foreign Expansion - The market for diesel engines in data centers is dominated by foreign brands, but domestic manufacturers are gaining market share due to supply chain challenges faced by foreign companies [3][47]. - Recent bidding results show that domestic brands like Weichai Heavy Machinery have significantly increased their market share, with Weichai's share rising to 40% in recent tenders [3][68]. 4. Investment Recommendations - The report recommends focusing on domestic OEM manufacturers such as Keta Power, Taihao Technology, and Sumida, as well as main engine manufacturers like Weichai Heavy Machinery and component manufacturers like Linde [3][5].

Investment Rating - The report suggests a positive investment outlook for the data center diesel generator set industry, highlighting high growth potential and recommending attention to quality domestic companies with resource and technical advantages [5][67]. Core Insights - The demand for data center diesel generator sets is expected to grow significantly due to the rapid expansion of intelligent computing centers in China, with projected investments exceeding 500 billion yuan over the next three years [5][56]. - The report identifies a supply-demand mismatch in the market, with high standards required for diesel generator sets used in data centers, primarily driven by IT loads [5][56]. - Key players in the industry include both foreign giants and emerging domestic companies that have begun to penetrate the mid-to-high-end market [5][59][60]. Summary by Sections Data Center Power Supply Architecture - The report outlines the power supply architecture of data centers, emphasizing the importance of stable and reliable power sources, including dual power supply systems and backup diesel generators [11][22]. Current Status of the Diesel Generator Industry - The global market for diesel generator sets is driven by sectors such as telecommunications and IT, with significant demand in emerging markets [52]. - In China, the diesel generator market is projected to reach 4.653 billion USD in 2023, driven by infrastructure investments and the rapid growth of data centers [52][56]. Investment Recommendations - The report recommends focusing on quality domestic companies in the diesel generator set market, such as Weichai Heavy Machinery, Taihao Technology, and KOTAI Power, which are well-positioned to benefit from the growing demand [67]. - It also highlights the importance of engine manufacturers and other component suppliers that are expected to benefit from the data center construction boom [67].