HTD fibercom Co.,Ltd is a manufacturer of fiber optical products in Shenzhen China.Strong R&D capabilities and execution,well-experienced workers ,strick quality control......All these push us offering good quality products and service to you Our product: Passive series---WDM/CWDM/DWDM/OADM,PLC splitter,Opcital switch,Fast Assembly Connector,Isolator,Circulator,Patch Cord&Adaptor,pigtail.......