Fiber Stubs are the most important components when connecting Receptacle module such as TOSA and ROSA assemblies. These are made by high quality ceramic (Zirconia) ferrules. We guranantee a stable and well performance in their coupling assembly prose for TOSA and ROSA. TOSA/ROSA Receptacle consisting of a built in Fiber Stub are the most important Optical Module Component. They are assembled with ferrules and precision lathe metal parts. General Optics Corp. has high technic to manufacture our fiber stub and receptacles using our own qualified materials and subcomponents at a low offered price.