... .Less weight,noise,maintance 3.Reasonal price 4.Manufacturer Portable induction machine Main technical data: ModelHTGMax Input power9(7.5)KVAVoltage220V 50 ... current200-1000(800)ADuty cycle>80%The high frequecy induction machine mainly used in metal tube welding,alloy cutter welding,carbide ... oxidation layer5.The apperance is exquisite,firm,full after welding Portable induction machine picture:Company