Investment Rating - The investment rating for the automotive industry is "Positive" (maintained) [1] Core Insights - The report highlights that with the global expansion of AI capital expenditure, the diesel generator segment is expected to benefit directly from the increased demand for AI data center construction (AIDC). The domestic supply chain is anticipated to achieve both volume and price increases due to the supply-demand imbalance in diesel generators [4][20] - The global diesel generator market is projected to reach approximately $22.6 billion by 2026, with overseas demand at $19.6 billion and domestic demand at $3 billion. This corresponds to a global demand of about 42,000 units, with overseas demand at 35,600 units and domestic demand at 6,600 units [24][25] Summary by Sections 1. Diesel Generators: Key Power Source for Data Centers - Diesel generators are a critical power source for data centers, typically comprising a system of "grid + UPS + diesel generators" to provide backup power during outages [9] 2. Demand: Higher Overseas than Domestic, with Significant Growth Potential in Domestic Market - The report indicates that global AI capital expenditure is expected to exceed $600 billion in 2026, a year-on-year increase of over 70%. Major companies like Google, Amazon, Meta, and Microsoft are significantly increasing their investments in AI infrastructure [15][17] - Domestic companies such as ByteDance, Alibaba, and Tencent are also optimistic about their AI capital expenditure plans for 2026, contributing to the overall demand for diesel generators [15][18] 3. Supply: Acceleration of Domestic Substitution, Price and Profitability Expected to Improve - The global diesel generator market is dominated by foreign companies like Cummins and Caterpillar, but their cautious expansion cycles have led to supply shortages. Domestic suppliers are expected to gain market share due to price and delivery advantages [27] - The average price of a single unit in the domestic market is close to 3 million yuan, with prices expected to rise continuously from 2024. The price of units using foreign engines has increased by about 20% [27]