旋极信息：公司在航天、航空领域提供了大量的测试验证工具和服务

Group 1 - The company, Xuanji Information (300324.SZ), has provided numerous testing and verification tools and services in the aerospace and aviation sectors, including manned spaceflight and the C919 large aircraft project, and has received recognition from relevant units, confirming the validity of these claims [1] - An investor inquiry on the interactive platform highlighted that the company's subsidiary, Xuanji Intelligent, has participated in significant national projects such as manned spaceflight, lunar exploration, C919, and new launch vehicles, and has received letters of appreciation for its contributions, which the company confirmed as accurate [3]