沃尔核材：目前，公司正在开展单通道448G高速线的样品开发工作

Group 1 - The company is currently developing samples for a single-channel 448G high-speed communication line [2] - The company aims to keep pace with industry technology trends and actual customer needs [2] - The company is focused on innovation and iteration of key products such as high-speed communication lines to strengthen its industry-leading position [2]