瑞华泰：公司在航天领域的业务多体现为项目合作研发模式，营收占比不足1%

Group 1 - The core business of the company is the research, production, and sales of high-performance polyimide films [1] - The company is currently engaged in project cooperation and research and development in the aerospace sector [1] - By 2025, the revenue from the aerospace segment is projected to be approximately 1.8 million yuan, accounting for less than 1% of total revenue (unaudited) [1]