ningbo grand telecommunication equipment co.,ltd.
Manufacturer of patch panels,cables,cable testers,distribution boxes,telecom equipments,telecom accessorie

ningbo kingsun imp.&exp. co., ltd
Manufacturer of OPTICAL FUSION SPLICER,OPTICAL POWER METER,FIBER OPTIC PATCHCORDS AND PIGTAIL,OPTICAL TRANSMITTER,CATV AMPLIFIER,CABLE CONNECTOR