... 2.Less weight,noise,maintance 3.Reasonal price 4.Manufacturer High frequency induction machine Main technical data: ModelHTGMax Input power9(7.5 ... off and other negative phenomenon4.Suitable for welding of high performance,high hardness serrated blades,this blades can not be welded ... oxidation layer5.The apperance is exquisite,firm,full after welding high frequency induction machine picture:Company