Investment Rating - The overall investment rating for the communication sector is "Buy" for several key companies, including ZTE Corporation, StarNet, and Ruize Technology, among others [6][9][16]. Core Insights - The communication sector is expected to see a 15% year-on-year growth in net profit for Q3 2025, with a significant 73% growth when excluding the three major operators and ZTE Corporation [1][12]. - The telecom operators are projected to maintain steady profit growth, with a 5% increase in net profit year-on-year [2][12]. - The AI computing demand is anticipated to drive growth in the IDC sector, with a 10% increase in net profit expected [2][12]. - The optical communication segment is expected to experience a remarkable 167% year-on-year growth in net profit, driven by high demand for 800G optical modules [3][12]. - The IoT sector is projected to see a 3% increase in net profit, with specific companies like Ruize Technology expected to perform well [4][12]. - The fiber optic cable segment is expected to recover, with a 14% increase in net profit, benefiting from stable pricing and increased demand [5][12]. Summary by Sections Telecom Operators - The telecom operators' net profit is expected to grow by 5% year-on-year, with cumulative telecom business revenue reaching 1,182.1 billion yuan from January to August 2025, a 0.8% increase [2][12]. AI Computing and IDC - The IDC sector is projected to benefit from the growing demand for intelligent computing centers, with a 10% increase in net profit expected [2][12]. Optical Communication - The optical communication segment is expected to see a 167% year-on-year increase in net profit, driven by strong demand for 800G optical modules and the anticipated growth of 1.6T optical modules [3][12]. IoT - The IoT sector is expected to achieve a 3% increase in net profit, with specific companies like Ruize Technology and others showing strong performance [4][12]. Fiber Optic Cables - The fiber optic cable segment is expected to see a 14% increase in net profit, supported by stable pricing and increased demand from global data center construction [5][12]. Key Recommendations - Recommended stocks include Ruize Technology, StarNet, ZTE Corporation, and others, with target prices reflecting strong growth potential [9][16].