机械行业周报2025年第34周：宇树发布新款人形机器人预告，看好液冷行业发展趋势-20250826

Investment Rating - The report maintains a "Buy" rating for the mechanical industry [1] Core Viewpoints - The humanoid robot sector is experiencing significant advancements, with companies like Unitree and Zhiwei Robotics making strides in product development and partnerships, indicating a robust growth trajectory for the industry [4][5][6] - The liquid cooling technology is becoming increasingly essential due to the rising power consumption of data center servers, with a projected increase in adoption as standards are established and high-power chips become more common [7][8] - The engineering machinery sector is expected to benefit from increased infrastructure investment, particularly with major projects like the Yarlung Zangbo River hydropower project, which will drive demand for machinery [13][14] Summary by Relevant Sections Humanoid Robots - Unitree Technology announced a new humanoid robot with enhanced flexibility, featuring 31 joints, a 19% increase from its previous model [4] - The humanoid robot industry is poised for a breakthrough in 2025, with mass production expected to address data scarcity issues and enhance practical applications [6] Liquid Cooling - The establishment of national standards for immersion liquid cooling power supplies is underway, which will guide the design and application of liquid cooling systems in data centers [7] - The shift towards liquid cooling is driven by the limitations of traditional air cooling systems in managing the heat generated by high-power chips [8] Engineering Machinery - The engineering machinery sector is witnessing a recovery in domestic sales, with excavator sales in July 2025 showing a year-on-year increase of 25.2% [14] - Major infrastructure projects, such as the Yarlung Zangbo River hydropower project, are expected to significantly boost demand for engineering machinery [13] Forklifts - Forklift sales have shown strong growth, with a total of 118,605 units sold in July 2025, reflecting a 14.4% year-on-year increase [15] - The rise of autonomous forklifts is anticipated to further enhance market growth, with a projected 39.3% increase in sales by 2025 [15] Rail Transit Equipment - The rail transit equipment sector is benefiting from increased investment in railway infrastructure, with significant growth in orders for high-speed train maintenance [16] Semiconductor Equipment - The push for domestic semiconductor equipment manufacturing is accelerating due to geopolitical tensions and trade restrictions, with a focus on critical equipment like photolithography machines [17][18] New Energy Equipment - The solid-state battery sector is expected to see rapid growth, with new equipment needs arising from the transition to solid-state production lines [21] - The market for photovoltaic equipment is also anticipated to recover as competition stabilizes and prices begin to rise [21]