通光线缆：公司光纤光缆产品分为通信光缆、电力光缆、海底光电缆及通信光纤

Core Viewpoint - Tongguang Cable (300265) provides a range of optical fiber and cable products, which are essential for modern communication networks [1] Group 1: Product Overview - The company's optical fiber and cable products are categorized into communication cables, power cables, submarine optical cables, and communication fibers [1] - Communication cables primarily serve as data signal transmission channels and are widely used in modern communication networks [1]