国缆检测：检验检测的产品主要为电线电缆及光纤光缆等

Core Viewpoint - The company, GuoLan Testing, provides inspection and testing services primarily for wires, cables, and optical fibers, while maintaining confidentiality regarding specific client information as per regulatory and client requirements [1] Group 1 - The main products inspected by the company include electric wires, cables, and optical fibers [1] - The company adheres to confidentiality obligations concerning client information, in line with testing agency regulations and client requests [1]