... forging,annealing and melting High frequency induction heating spherical billet machine WH-VI-120 Induction heating machine heat spherical billet ... -plastic composite pipe, aluminum foil seal (toothpaste), rotor, electric tube sealing and so on. Other Applications: 1.heat ... traditional 60% saving3, secure, reliable, non-million-volt high-pressure, very safe for the operator.4, the frequency bandwidth ...