中密控股：公司的高速机械密封产品已应用于商业航天领域

Group 1 - The core viewpoint of the article is that Zhongmi Holdings (300470) has successfully applied its high-speed mechanical seal products in the commercial aerospace sector, specifically for sealing propellant media in liquid rocket engine applications [1] Group 2 - The company's products are now utilized in the aerospace industry, indicating a diversification of its application beyond traditional markets [1] - This development highlights the potential for growth and innovation within the company's product offerings, aligning with trends in the commercial space industry [1] - The interaction with investors on the platform suggests a proactive approach to communication and transparency regarding the company's advancements [1]