唯万密封：PTFE密封材料可应用于火箭填充系统的密封。

Group 1 - The core viewpoint of the article highlights that Weiman Sealing's PTFE sealing materials can be utilized in the sealing of rocket filling systems [1] Group 2 - The application of PTFE sealing materials in aerospace technology indicates a potential growth area for the company [1] - The use of advanced materials like PTFE in critical systems such as rocket filling showcases the company's innovation and capability in high-performance applications [1] - This development may enhance the company's market position within the aerospace industry, potentially attracting new clients and contracts [1]