沃尔核材(002130.SZ)：公司控股子公司乐庭智联已完成单通道448G高速通信线样品的开发工作

Core Viewpoint - The company has completed the development of a single-channel 448G high-speed communication line sample, which is currently being validated by key customers [1] Group 1 - The company's subsidiary, Letin Intelligent, is responsible for the development of the high-speed communication line [1] - The sample developed is specifically a single-channel 448G high-speed communication line [1] - The validation process is currently underway with key customers [1]