仕佳光子：根据公司2025年半年度报告，室内光缆业务占公司主营业务收入的比重为15.37%

Core Viewpoint - The company, Shijia Photon, has a diversified main business that includes optical chips and devices, indoor optical cables, and polymer materials for cables, indicating a stable revenue stream and growth potential in the optical communication sector [1] Business Segments - The indoor optical cable business accounts for 15.37% of the company's main business revenue according to the 2025 semi-annual report, highlighting its significance in the overall business model [1] - The company sources the optical fibers required for its indoor optical cable business from external suppliers, which suggests a reliance on third-party vendors for critical components [1] - A mature supply chain management system has been established by the company, which, along with refined cost control measures, ensures stable operational development [1]