沃尔核材：公司通过外购PEEK材料自主研发的PEEK热缩管，已完成了部分耐高温线缆等客户的验证

Group 1 - The company has a strong foundation in modified materials and is considering the research and production of PEEK materials [2] - As of September 19, the company has developed PEEK heat shrink tubing through the purchase of PEEK materials and has completed validation for high-temperature cables with certain customers, indicating readiness for mass production [2]