Necero China boasts more than 10 years\' experience of R&D and manufacturing in the field optical fiber communication, which is capable producing a variety fibers according to diversified demands customers. Since its establishment, has made commitment ...

We are manufacturer of Ethernet tester, ADSL tester, OTDR tester, cable tester, battery tester , bit rate error tester and so on. Established in 1992, Dadi telecom associated with customers all over the world.