Fiber Optic Patchcord, Optical Adapter, Optic Attenuator manufacturer / supplier in China, offering 1.6mm 2.0mm 3.0mm E2000 Singlemode Multimode Simplex Duplex Patchcord, CE RoHS Qualified Fcapc to Fcapc Singlemode G652D G657A Duplex Fiber Optic Patchcord, Grade B 0.15dB FC APC Upc Singlemode Duplex Jumper Fiber Optic Patchcord and so on.