Group 1 - The core viewpoint of the articles highlights the critical role of telecommunications operators in disaster response and communication assurance during severe flooding in China, utilizing advanced technologies such as drones, portable satellite stations, and AI models [1][2] - Hebei province has experienced significant rainfall since July 24, leading to power outages and communication line damages, with drones being used to transport cables across rivers for repairs [1] - China Unicom has implemented AI, 5G, and digital twin technologies to shift from passive emergency responses to proactive disaster prevention, enhancing their data analysis capabilities [1] Group 2 - China Mobile announced a one-month free Beidou messaging service for Beijing users, allowing them to send emergency messages without network signals, thereby improving communication during emergencies [2]

Investment Rating - The report maintains a "Recommended" investment rating for the industry [7] Core Viewpoints - The low-altitude economy is developing well, with strong support from government policies, particularly in emergency equipment and low-altitude applications [3][4] - The mechanical equipment sector is expected to maintain steady growth, driven by competitive advantages in exports and domestic demand [4] Weekly Market Review - From July 20 to July 25, 2025, the Shanghai Composite Index rose by 1.67%, the Shenzhen Component Index by 2.33%, and the ChiNext Index by 2.76%. The Shenwan Mechanical Equipment Index increased by 2.56%, outperforming the CSI 300 Index by 0.86 percentage points, ranking 16th among 31 Shenwan primary industries [12][14] - Sub-sectors such as general equipment, specialized equipment, rail transit equipment II, engineering machinery, and automation equipment saw respective increases of 2.32%, 1.98%, 3.02%, 5.34%, and 1.48% [12][15] Key Sector Tracking - The low-altitude economy sector is bolstered by various government initiatives, including the "Three-Year Action Plan for High-Quality Development of Emergency Equipment Industry in Hunan Province (2025-2027)", aiming for an industry revenue exceeding 100 billion yuan by 2027 [3][25] - The mechanical equipment sector is supported by a recent trade agreement between the US and Japan, which is expected to enhance the competitive position of domestic leading enterprises [4] Investment Recommendations - For the low-altitude economy, recommended companies include Deep City Transportation, Sujiao Science and Technology, Huasheng Group, and Nairui Radar [5] - In the mechanical equipment sector, recommended companies include Sany Heavy Industry, XCMG, and Anhui Heli for engineering machinery, and Huazhong CNC and Kede CNC for industrial mother machines [5]