机械设备行业跟踪：工程机械行业韧性足，内外销整体边际改善

Investment Rating - The industry rating is "Outperform" compared to the market [1][118] Core Viewpoints - The engineering machinery industry shows strong resilience with improvements in both domestic and international sales [1] - The macroeconomic environment indicates a slight recovery in manufacturing, with the PMI index at 49.4% in August 2025, still in the contraction zone, but production PMI at 50.8% indicates expansion [2][6] - Fixed asset investment in China reached 326,111 billion yuan from January to August 2025, with infrastructure investment growing by 5.4% and manufacturing investment by 5.1% [14] Summary by Sections 1. Macroeconomic Tracking - The manufacturing PMI for August 2025 is 49.4%, a 0.1 percentage point increase from the previous month, indicating marginal improvement but still in contraction [2][6] - The PPI decreased by 2.9% year-on-year in August 2025, ending an eight-month decline, while the CPI fell by 0.4% [11] - Fixed asset investment from January to August 2025 totaled 326,111 billion yuan, a 0.5% year-on-year increase, with infrastructure investment up 5.4% and real estate investment down 13.2% [14] 2. China Engineering Machinery Sales Overview - From January to August 2025, excavator sales reached 154,181 units, a 17.2% increase year-on-year, with domestic sales up 21.5% [19][26] - Sales of various machinery types showed mixed results, with tower cranes down 34.5% and high-altitude work vehicles up 40.5% [27][41][100] - Overall, the sales of construction machinery reflect a structural divergence, with some categories like excavators and loaders performing well while others like tower cranes are struggling [51][56]