光通信子行业快速增长，坚定看好AI产业链投资机会

Core Insights - The communication equipment industry experienced a revenue growth of 12.7% year-on-year in Q2 2025, indicating a recovery that began in Q4 2023, with AI computing power emerging as a new growth engine [1][2] - The net profit for the communication equipment sector grew by 19.0% year-on-year in Q2 2025, reflecting strong profitability amid the transition of growth drivers [1][2] Financial Summary and Outlook - The overall revenue for communication equipment in Q2 2025 increased by 12.7% year-on-year, with growth accelerating from Q4 2023 to Q3 2024, indicating a successful transition between old and new growth drivers [2] - The net profit attributable to the parent company in Q2 2025 rose by 19.0% year-on-year, showing consistent growth in Q1 and Q2 2025 after a decline in Q4 2024 [2] Key Industry Segments to Watch - The optical device segment saw a remarkable revenue growth of 72.81% year-on-year in Q2 2025, with net profit growth of 133.5%, driven by increased global demand for AI and optical modules [3] - The Internet of Things (IoT) sector continued to show good revenue growth in Q2 2025, confirming the ongoing recovery trend, with companies benefiting from the long-term trend of interconnected devices [3] - The fiber optic cable sub-sector reported a revenue increase of 16.5% year-on-year in Q2 2025, although net profit declined by 9.6% [4] - The main equipment sector reversed its downward trend in Q1 and Q2 2025, driven by strong demand for computing power, despite challenges in operator capital expenditures [5] - The satellite industry generated revenue of 1.12 billion yuan in Q2 2025, down 17.0% year-on-year, but is expected to enter a phase of regular launches following the establishment of satellite internet [5] - The Beidou and military communication sectors reported revenue of 5.31 billion yuan in Q2 2025, a decline of 7.1% year-on-year, but are anticipated to recover with new equipment entering service [5] Investment Recommendations - The company suggests focusing on investment opportunities in "AI + overseas expansion + satellite" sectors, particularly in optical modules and devices, as well as domestic computing power lines [6] - Key recommendations include companies in the optical device sector such as Zhongji Xuchuang and Tianfu Communication, and in the server and switch PCB sectors like Huadian Co. and ZTE [7] - The report highlights the potential of the satellite internet industry and encourages monitoring developments in this area [6][10]