PCB Making Machine, Laboratory Instrument, Copper Plating Machine manufacturer / supplier in China, offering High Efficient Transmission Slip Ring Od 36mm 1~30 Circuits Signal Electro Optical Slip Ring, High Speed Electro Optical Slip Ring Low-Frequency Stable Signal Transmission Rotary Joint, Ethernet Compact Electro-Optical Slip Ring Fiber Optic Rotary Electrical Connector and so on.