持续推荐国内全面复苏的工程机械，建议关注液冷新技术的设备投资机会

Investment Rating - The report maintains an "Overweight" rating for the machinery equipment industry [1] Core Views - The domestic engineering machinery sector is experiencing a comprehensive recovery, with significant sales growth in various types of cranes in September, indicating an upward cycle [2] - Liquid cooling technology is identified as a key beneficiary of increased AI computing capital expenditures, with a projected market size for liquid cooling systems reaching 125 billion yuan by 2026 [3] - The oil service equipment market is expected to remain stable despite recent oil price declines, driven by ongoing expansion in the Middle East and increasing domestic market share [4] - The semiconductor equipment sector is poised for growth due to U.S. export controls, which may enhance the market share of domestic manufacturers [4] - The humanoid robot market is anticipated to see significant catalysts with the upcoming launches of Tesla's Gen3 and Yushun's products [5] Summary by Sections Engineering Machinery - In September, domestic sales of various cranes showed significant year-on-year growth, with increases of 41% for automotive cranes, 67% for crawler cranes, and 30% for truck-mounted cranes, indicating a strong recovery in the sector [2] - The report highlights the potential for increased market share in overseas markets starting in 2025, with strong earnings visibility for the next 2-3 years [2] Liquid Cooling Equipment - Liquid cooling technology is essential for addressing data center heat dissipation challenges, offering advantages such as low energy consumption and high cooling efficiency [3] - The report estimates that the market for ASIC liquid cooling systems will reach 12.5 billion yuan by 2026, with Nvidia's liquid cooling systems projected to reach 26.8 billion yuan [3] Oil Service Equipment - Despite a recent drop in oil prices, the demand for oil service equipment is expected to remain stable due to low production costs in the Middle East and ongoing capital expenditures in LNG [4] - The report suggests that domestic leaders like Jereh and Neway will continue to strengthen their positions in the international market [4] Semiconductor Equipment - U.S. export controls on semiconductor equipment are expected to benefit domestic manufacturers, with a rapid increase in the localization rate of critical manufacturing equipment [4] - The report recommends focusing on companies involved in etching, thin film deposition, and advanced packaging equipment [4] Humanoid Robots - The launch of the Zhiyuan G2 robot and the anticipated releases from Tesla and Yushun are expected to drive growth in the humanoid robot sector [5] - The report emphasizes the high level of catalysts in this segment, suggesting a focus on core companies involved in humanoid robotics [5]