方正证券：基建加码驱动柴发市场扩容 国产化进程迎跃升机遇

Group 1 - The core viewpoint is that the AIDC investment is expected to drive significant growth in the infrastructure industry chain, with the AIDC diesel generator market projected to grow from 8.6 billion yuan in 2024 to over 40 billion yuan by 2027, representing an average annual growth rate of over 68% [1][2] - The demand for intelligent computing centers has surged since the launch of ChatGPT, leading to a shift in investment focus from traditional computing to intelligent computing, with the investment scale in China expected to exceed 187.5 billion yuan in 2024 and reach 482.6 billion yuan by 2027 [1] Group 2 - Diesel generator sets are entering a golden expansion period as they are a mandatory backup power source in high-end data centers, accounting for approximately 7%-10% of the overall CAPEX [2] - The high-end data center diesel generator market is currently dominated by foreign brands, which hold about 65% of the market share, while domestic OEM manufacturers have a share of less than 10% [3] - Domestic manufacturers are expected to rapidly increase their market share due to significant price advantages and shorter delivery times compared to foreign brands, which face supply bottlenecks [3] Group 3 - High-power engines constitute over 60% of the cost of diesel generator sets, with foreign brands currently holding over 75% of the market share in this segment [4] - The demand for core components is expected to rise as the market grows, and companies are advised to focus on key component manufacturers that are tightening supply and accelerating entry into the supply chains of leading customers [4] Group 4 - Relevant companies in the diesel generator set market include Weichai Heavy Machinery, KOTAI Power, Taihao Technology, and Sumida [5] - Engine manufacturers include Weichai Power, Yuchai International, Chongqing Machinery, and Quanchai Power [5] - Key component manufacturers include Changyuan Donggu, Huafeng Co., Linde Co., Tianrun Industrial, Fuda Co., Weifu High-Tech, Meihu Co., Feilong Co., and Bohai Automobile [5]