Group 1 - The company confirmed that the research on the PCB technology for both 400G and 800G optical modules has been completed [2] - The clarification was made in response to an investor's question regarding whether the completion referred specifically to the PCB boards rather than the optical modules themselves [2] - This development indicates progress in the company's technological capabilities in the optical module sector [2] Group 2 - The completion of the research projects may position the company favorably in the competitive landscape of high-speed optical communication [2] - The advancements in 400G and 800G technologies are significant as they cater to the growing demand for higher bandwidth and faster data transmission [2] - The company's focus on these technologies aligns with industry trends towards increased data capacity and efficiency [2]

Core Viewpoint - The company has completed the research and development of the PCB boards for both 400G and 800G optical modules, clarifying that this refers specifically to the PCB technology rather than the optical modules themselves [1] Group 1 - The company confirmed the completion of the technology research for 800G optical module PCB [1] - The company also confirmed the completion of the technology research for 400G optical module PCB [1]