长光华芯(688048.SH)：光通信相关产品对本年度销售额及利润贡献量存在不确定性

Core Viewpoint - The stock of Changguang Huaxin (688048.SH) experienced an abnormal trading fluctuation, with a cumulative price increase of 30% over three consecutive trading days from November 24 to November 26, 2025, attributed to rising computing power demand in the optical communication sector [1] Company Developments - The company has achieved mass production of its 100G EML products and has begun sample delivery for its 200G EML products [1] - The 100G VCSEL, 100mW CW DFB, and 70mW CWDM4 DFB chips have reached mass production and shipping levels [1] - The contribution of these products to the company's sales and profits for the current year remains uncertain [1] Market Conditions - There is a noted increase in demand for computing power, which is influencing the company's product development and market expansion efforts [1] - The company acknowledges the presence of uncertainties and risks associated with product research and development, sample testing, product introduction, and market expansion [1]