special High Frequency Machine is main for PVC inflatable toy . such as PVC swimming pool ,inflatable neck ,inflatable ... sealing for decoration inside car, trademark, stationery box, raincoat, inflatable toy, plastic front cover, cool liquid cushion, shoes products, cushion, ... current protection. (3) Special strong power output. ModelJUST-10 Power 10KW Current 380V 50HZ Frequency 27.12/40.68MHZ ...