国缆检测(301289.SZ)：公司检验检测的产品主要为电线电缆及光纤光缆等

Core Viewpoint - The company, Guoluan Testing (301289.SZ), provides inspection and testing services primarily for wires, cables, and optical fibers, along with related technical services [1] Group 1: Company Services - The company's inspection and testing products include wires, cables, and optical fibers [1] - Services offered encompass inspection, testing, equipment measurement, capability verification, and certification [1] - Additional professional services include specialized training, supervision, standard formulation, factory audits, and application evaluations [1]