... weld,forging,annealing and melting High frequency induction heating spherical billet machine WH-VI-120 Induction heating machine heat spherical billet ,diameter ... of the solution or melt the principle so that the two together. For example: computer copper and aluminum radiator, ... the traditional 60% saving3, secure, reliable, non-million-volt high-pressure, very safe for the operator.4, the frequency ...