兄弟科技：已基本完成国内主流PEEK厂家送样工作，目前部分客户已通过验证

Core Viewpoint - The company has successfully entered the PEEK field with its produced para-cresol and is actively promoting its products in this sector [1] Group 1 - The company has completed the sample submission process to major domestic PEEK manufacturers [1] - Some customers have already validated the company's para-cresol products [1] - The company plans to continue promoting and selling para-cresol products in the PEEK field [1]