爱斯福电讯设备

exfo is a recognized test and measurement expert in the global telecommunications industry. the telecom division, which represents our main business activity, offers fully integrated and complete test solutions to network service providers （nsps）, cable tv operators,telecom system vendors and component manufacturers in approximately 70 countries.ｕ００３ｃbrｕ００３ｅｕ００３ｃbrｕ００３ｅwe are the global market leader for portable optical test solutions and a leading supplier of protocol and copper access test solutions to enable triple-play services over converged, ip networks.