中航高科：公司持股长盛科技占比20%

Group 1 - The core viewpoint of the article is that AVIC High-Tech (600862) holds a 20% stake in Changsheng Technology, a high-tech enterprise focused on the research, production, and sales of high-performance carbon fiber and its composite materials [1] - Changsheng Technology possesses leading domestic technology in the high-performance carbon fiber field [1] - The company has various high-performance prepregs that can be applied to satellite load-bearing structures, indicating its involvement in the aerospace sector [1] - AVIC High-Tech aims to actively seize opportunities in the commercial aerospace industry [1]