Group 1 - Jiangsu Province has officially released the first provincial-level guidelines for low-altitude infrastructure planning, marking a new phase in the standardization and normalization of low-altitude economic development [1][4] - The release of these guidelines has led to a significant increase in the stock prices of low-altitude economy-related companies, with the Shanghai-Shenzhen-Hong Kong low-altitude economy index rising by 1.73% [1] - The guidelines include a four-level classification system for take-off and landing sites, which aims to enhance the efficiency and effectiveness of low-altitude transportation [4] Group 2 - The central economic work conference has recognized "low-altitude economy" as a strategic emerging industry, prompting various regions to accelerate the introduction of related policies [2] - The lack of unified standards and clear departmental responsibilities at the national level has created bottlenecks in the infrastructure development of the low-altitude economy [3] - The guidelines propose a three-category airspace and four-level route classification system to improve the efficiency of airspace reporting [4] Group 3 - The infrastructure for the low-altitude economy includes both hard infrastructure (such as airports and navigation systems) and soft infrastructure (such as flight service platforms and maintenance services) [5] - Companies like Lais Information are actively developing comprehensive low-altitude solutions and have established a provincial-level low-altitude service management platform in Jiangsu [6][7] - Sujiao Technology has entered the low-altitude project space, focusing on planning and consulting services related to low-altitude transportation infrastructure [7][8]