... 1. High frequency welding machine. 2. Suitable for PVC blister pack,trade mark,stationery,toys. 3. N5557 ... spark device. Slide way High Frequency welding Machine for PVC blister Using a high Q value vibration tube in ... making, inflatable toy, raincoat and relatives, or any PVC and PVC contained 30% up. ModelPW-5000SPW-8000SPower5000w8000wInput power8KVA12KVARectifierSilicon diodeSilicon diodeVibrational ...