长光华芯(688048.SH)：已有海外光模块大厂在验证公司多款芯片且验证顺利

Core Viewpoint - Changguang Huaxin (688048.SH) has achieved mass production of its 100G EML and has begun sample delivery for its 200G EML, indicating strong progress in the optical communication sector [1] Group 1: Product Development - The company has reached mass production levels for 100G VCSEL, 100mW CW DFB, and 70mW CWDM4 DFB chips [1] - The recent increase in computing power demand has led to overseas optical module manufacturers validating multiple chip models from the company, with successful verification [1]