隆盛科技：公司控股子公司微研中佳已涉及航空航天领域的精密加工业务

Group 1 - The core viewpoint of the article is that Longsheng Technology (300680) is expanding its involvement in the aerospace sector through its subsidiary Weiyan Zhongjia, focusing on precision machining for aerospace applications [1] - The company is currently providing precision components such as satellite solar wing hinges and compression release mechanisms for the aerospace industry [1] - Additionally, Longsheng Technology supplies parts for large foreign trade and equipped drone components, as well as precision missile parts [1]