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]