Group 1 - The core viewpoint is that the heavy truck industry demand growth is expected to slow down to a year-on-year increase of 3% in 2026, following a significant growth of 21% in 2025, primarily due to a high base formed by accelerated sales since mid-2025 [1][2] - Despite the slowdown in the heavy truck industry, the company Weichai Power (02338) is anticipated to benefit from explosive growth in its data center backup power engine business [1][2] - Weichai Power's total engine sales are projected to grow by 8% in 2025 and 3% in 2026, with profit margin expansion expected due to sustained high demand for heavy trucks and increased contribution from high-margin data center engines [1][2] Group 2 - The institution has raised its earnings forecast for 2025E-2027E by 1-5% based on the latest industry predictions and has rolled forward the valuation benchmark year to 2026E [1][2] - The target prices for A-shares and H-shares have been adjusted upwards to RMB 22.3 and HKD 21.9, respectively, based on a sum-of-the-parts valuation [1][2] - The institution maintains a "Buy" rating for Weichai Power [1][2]