沃尔核材：公司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

Group 1 - The company,沃尔核材, claims that its high-speed communication wire products are currently at an industry-leading technological level [2] - The company's single-channel 224G high-speed wire is noted as the highest single-channel rate product in large-scale production within the industry [2] - The company has completed the development of the next-generation single-channel 448G high-speed communication wire samples, which are currently being validated by key customers [2]