PCB Making Machine, Laboratory Instrument, Copper Plating Machine manufacturer / supplier in China, offering Fiber Optcial Assemblies 6~30 Channel Fiber Optic Connectors Electro-Optical Slip Ring, 2 Channels of 30A Power Transmission Large Power High Current Electric Slip Ring, Electro-Optical Slip Ring Fiber Optic Rotary Joint Combined with Electrical Slip Ring and so on.