Group 1 - DreamSky Aerospace has signed a licensing and development service agreement with Zhefei Aviation for the DF3000 flight control application software [1][3] - The collaboration aims to enhance the exploration and practice of low-altitude industrial chain synergy, accelerating the commercialization of Advanced Air Mobility (AAM) [3] - Zhefei Aviation will provide comprehensive support for the DF3000 project, marking its role as a core supplier due to its advanced software products and high-quality engineering services [3] Group 2 - DreamSky Aerospace, established in 2018, has achieved significant milestones, including the first domestic full-process test flight of a ton-class hybrid eVTOL and the first hover test flight of a hybrid eVTOL using liquid hydrogen [3] - Zhefei Aviation, founded in 2022, focuses on providing advanced aerospace core systems and aims to accelerate sustainable advanced air traffic [4] - The strategic cooperation agreement reached during the 2024 Zhuhai Airshow further solidifies the partnership between DreamSky Aerospace and Zhefei Aviation [3]