烽火通信：光纤光缆业务是公司的核心主业

Core Viewpoint - The company emphasizes that its optical fiber and cable business is its core operation, showcasing its full industry chain capabilities from "rod-fiber-cable" [1] Group 1: Business Operations - The company is actively developing new types of optical fiber and cable products, including hollow-core fibers, polarization-maintaining fibers, and radiation-resistant fibers [1] - Specific data regarding the gross margin of the optical fiber and cable business will be reflected in the company's periodic reports [1]