Group 1: Low-altitude Economy - The low-altitude economy is rapidly developing, with Hefei becoming a hub for drone applications, including medical delivery and logistics, with over 200 operational routes established [2][3] - Hefei has gathered over 300 companies in the low-altitude economy sector, covering the entire supply chain from research and development to operation [2][3] - The market size of China's low-altitude economy is projected to reach 1.5 trillion yuan by 2025, indicating significant growth potential [3] Group 2: Commercial Aerospace - The commercial aerospace sector is also gaining attention, with the market size expected to exceed 2.5 trillion yuan [3] - The establishment of the commercial aerospace industrial park in Bengbu is fostering innovation and collaboration among 17 projects, enhancing the production capabilities of rockets [3][4] - Companies like Lingkong Technology are utilizing advanced materials and 3D printing technology to improve the efficiency and cost-effectiveness of rocket components [4][5]