Group 1 - The mechanical industry is expected to have significant investment opportunities in the technology innovation sector by 2026, with a focus on new infrastructure and applications driven by technological advancements [4][6] - The export sector faces uncertainties but is anticipated to benefit from structural opportunities as internationalization progresses and the Federal Reserve's interest rate cuts take effect [4][6] - Domestic demand is expected to stabilize, with potential for stock price rebounds as capacity clears and general enterprises transition to growth sectors [4][6] Group 2 - The AI infrastructure sector is experiencing high capital expenditure and rapid technological iterations, leading to new opportunities in the mechanical development space [4][6] - The demand for PCB and AIDC equipment is expected to continue growing due to overseas capital expenditure exceeding expectations, with a focus on domestic substitution opportunities [4][11] - The human-shaped robot industry is projected to accelerate production by 2026, with domestic companies like Yushu and Zhiyuan expected to go public and enhance their competitive edge [7][8] Group 3 - The engineering machinery sector is witnessing a significant increase in export volumes, with excavator exports rising from 34,000 units in 2020 to a peak of 109,000 units in 2022, reflecting a CAGR of 77.5% [19][21] - The internationalization of engineering machinery is expected to drive long-term profitability, with overseas gross margins typically exceeding domestic margins by 5-10 percentage points [19][23] - The fixed asset investment in railways remains high, with a 5.8% year-on-year increase, supporting new vehicle demand [24] Group 4 - The motorcycle sector is expected to capture 15-20% of the global market share for large-displacement motorcycles by 2025, driven by competitive pricing [39] - The oil service equipment sector is benefiting from high demand for natural gas compressors in the Middle East and North Asia, as well as for gas turbines in North America [41] - The general cyclical sector is expected to see a bottoming out of demand, with opportunities arising from structural changes in the market [44] Group 5 - The lithium battery equipment sector is anticipated to experience accelerated capital expenditure growth, driven by independent energy storage projects [55][58] - The solid-state battery technology is expected to create valuation elasticity in the sector, with significant advancements in production processes [58][59] - The photovoltaic equipment sector is focusing on industry recovery and the expansion of semiconductor-related business lines [60]