Fiber Optic Patchcord, Optical Adapter, Optic Attenuator manufacturer / supplier in China, offering 1470-1610nm Industrial Type 4CH Ultra Compact CWDM, 10 100 1000m Layer 3 Managed Poe Ethernet Switch with 24 Poe Port and 4 10g SFP Port, 1u Rack Mount Sc Duplex 12 Core 24 Core 48 Core Fiber Patch Panel and so on.