沃尔核材(002130.SZ)：已完成下一代单通道448G高速通信线样品的开发工作，已交给重点客户验证中

Core Viewpoint - The company,沃尔核材, is focusing on high-speed communication cables primarily used in data center applications, which are designed to transmit high-speed communication signals effectively [1] Group 1: Product Overview - The high-speed communication cables utilize a high parallel pair structure design, capable of achieving testing frequencies up to several tens of gigahertz, meeting the demands for high-speed signal transmission in data centers [1] - The company's single-channel 224G high-speed communication cable is currently the highest single-channel speed product in mass production [1] - The company has completed the development of the next-generation single-channel 448G high-speed communication cable samples, which are currently being validated by key customers [1]