Optical testing products include Fiber Optic Fusion Splicer Visual Fault Locator,Optical Power Meter,PON,Optical,Power Meter,All-in-One Fiber Multimeter,Stabilized Light Source,Optical Time-Domain ,Reflectometer (OTDR),Fiber Optic Cleaver,Optical Fiber Identifier (OFI),Fiber Optic Transceiver,Network Tester,Laser Range Finder,Rangefinder Telescop. For fusion splicer products,highlight are Six motors fully automatic fusion splicer, integrated OPM VFL fiber splicing machine.