机械设备行业跟踪周报：雅下项目托底内需，看好工程机械迎历史性机遇-20250727

Investment Rating - Maintain "Buy" rating for the machinery equipment industry [1] Core Insights - The engineering machinery sector is poised for significant opportunities due to the commencement of the Yarlung Zangbo River downstream hydropower project, with an estimated total investment of approximately 1.2 trillion yuan, which is expected to drive domestic machinery demand by 100-150 billion yuan [2] - The project will require a variety of large machinery, including excavators and concrete machinery, with an annual equipment demand increase projected at 15-20 billion yuan, potentially reaching 20-30 billion yuan when considering electrification and automation [2] - The report highlights the importance of lightweight materials in humanoid robots, with a focus on magnesium alloys and PEEK materials, which are expected to enhance performance and reduce weight [3][4] Summary by Sections Recommended Stocks - Key stocks to focus on include SANY Heavy Industry, Hengli Hydraulic, and others in the engineering machinery sector [1][16] Engineering Machinery - The Yarlung Zangbo River hydropower project is expected to significantly boost the demand for engineering machinery, with a total investment of around 1.2 trillion yuan [2] - The project will create a demand for large-scale machinery, with a projected annual profit increase of 3-4 billion yuan for main engine manufacturers [2] Robotics - The humanoid robot sector is experiencing rapid advancements, with the introduction of new products like the Unitree R1, which showcases capabilities such as dynamic movement [3] - The report emphasizes the trend towards lightweight designs in robotics, with a focus on materials like magnesium alloys and PEEK, which are expected to enhance performance [4][5] Lithium Battery Equipment - The launch of a new electric vehicle model with a semi-solid-state battery by SAIC is expected to benefit equipment manufacturers in the solid-state battery sector [5] - Key suppliers for solid-state battery equipment include companies like Xian Dao Intelligent and Hanke Technology, which are positioned to benefit from the growing demand [5][35] Oil and Gas Equipment - The report highlights the growth potential in the Middle East oil service market, with significant investments expected in energy projects [37][38] - Companies like Jereh and Neway are recommended due to their strong positioning and growth in the Middle East market [41]