瑞华泰(688323.SH)：在航天领域的业务多体现为项目合作研发模式，该板块占总营业收入比例不足1%

Core Viewpoint - The market is currently focused on the commercial aerospace sector, with the company primarily engaged in the research, production, and sales of high-performance polyimide films [1] Company Overview - The company's main business involves high-performance polyimide film, with a small portion of revenue coming from aerospace-related projects, expected to generate approximately 1.8 million yuan in 2025, accounting for less than 1% of total revenue (unaudited) [1] Stock Performance - Since January 1, 2026, the company's stock has seen a cumulative increase of 38.12%, with a notable rise of 44.00% over the last two trading days [1] - The short-term stock price increase has significantly outpaced the growth of the Sci-Tech Innovation Index, the Sci-Tech 50, and the industry average, indicating potential short-term pullback risks [1]