... High speed ring production ZGTEK's new generation of automatic ring making machine, the previous model is R-6-400.Easy to operate ... , machine can work with carbon steel wires and galvanized wires.Model: R-6-300Input voltage: 380V(3-phase) or customizedPower freq ... and function expandingComprehensive self-detection, machine will stop in cases of no wire, bad weld, etc.Voltage can be customized to ...