... patchcord,pigtail,connector,attenuator 2,splitter,sfp,converter 3,odf,patch panel 4,splice closure, ... in R&D, manufacture and sales of fiber optical communications equipments. YHT was establish in ... than 100 workers, the production capacity of fiber optic connectors is about 600,000pcs per month ... Fiber optic patch cord,2, Connector,3, Adapter,4, Optical coupler,5, Attenuator,6, Optic media converter, ...