Electric slip ring and  pneumatic or hydraulic rotary unions combined slip ring is designed for some special applications that require both electric ring and pnuematic or hydraulic rotary unions. CENO takes its own technical advantages to developed this kind of slip ring, which is more convenient for users in installation and operation.This kind of slip-ring can be integrated with current and signal of different specifications according to specific requirements, and pnuematic or hydraulic rotary union can be selected for different types base on different applications requirement. QCN0201-48S integrated rings of signal & 2 channels for gas. Gold to gold contacts can make sure the high performance and longer lifetime. The number of electric circuits can reach hundreds, and the gas and liquid channels can reach 16 channels. External dimension and installation method can be customized.