... a Hi-Tech enterprise having its own brand and specializing in R&D, manufacture and sales of fiber optical communications ... Connector,3, Adapter,4, Optical coupler,5, Attenuator,6, Optic media converter,7, Optic splice closure,8, Optic terminal box,9, ODF ... (patch panel)etc. which are widely used in telecommunications, broadband, broadcast, CATV and network industry. All the products ...