PCB Making Machine, Laboratory Instrument, Copper Plating Machine manufacturer / supplier in China, offering Through Hole Slip Ring 360 Degree Rotation Electrical Connector Conductive Ring Power Rotary Joint, Fiber Optic Rotary Joint Signal Slip Ring with IP54 1500 Rpm for Cardiovascular Detector (OCT), Miniature Single-Channel Fiber Optic Rotary Joint /2000rpm Oct Single Slip Ring and so on.