... Portable induction heating machine of series 1. Heat treating all classes of machine parts to quenching,anneal 2,With IGBT HF induction heating machine contain ... adopts Siemens IGBT,MOSFET and any other new type induction heating machine. 2.Fast speed,low power consumption,small volume,light ... of protecting itself when over current,over voltage,lack of water,phase fail,over hot,etc. 3.It has the ...