Beyotransfer as a slip ring manufacturer in China offers a wide range standard miniature slip rings from OD 5.5mm to 25mm which can transmit 1~82 power and signal rings, the current for each ring from 1A to 30A per ring. Adopt gold to gold contact material to ensure high-quality transmission of electrical signals, low friction and wear and low contact resistance. This electrical slip rings can be combined with fluid rotary joints,fiber optic rotary joints and RF rotary joints.