Acfiber Technology Limited are Fiber Optics leader & expert for network and testing, All components enjoy extremely high stability and reliability, acfiber application and products include :CWDM DWDM MWDM Filter,Fiber Laser Amplifier Components,Fiber Sensing Components,Optical Switch & Attenuator,Optical Coupler & Combiner,Optical Isolator & Circulator & Hybrid,Optical Telecom & Datacom Network,PM Polarization Components, includes high power isolator,Pump Combiner,Optical Isolator,WDM Filter,Optical Coupler,Optical Circulator,Optical Switch etc.