迅捷兴(688655.SH)：积极开发应用于高速通信领域和智能硬件方面的任意阶HDI板、800G光模块等

Group 1 - The company has achieved mass supply of 400G optical modules [1] - The company is actively developing arbitrary-layer HDI boards and 800G optical modules for high-speed communication and smart hardware applications [1] - The company aims to accelerate the import of bulk orders in high value-added areas [1]