High frequency welding and cutting machine plastic welding machine for PVC, PET, EVA, TPU, etc High frequency welding and cutting machine, plastic welding machineI Characteristics:Both-side ... Power10000WInput power7KVAPower Supply380V/220V, 50 HZ Three-phase four-wire Oscillion frequency27.12MHZ RectifierSilicon rectifierOperation modePedal-driven of PneumaticOscillation Tube7T84RBElectrode ...