... special trade:A:Φ1016 Hot bending large bridge tubeB:Φ400 Through heating steel bottle of fire control forgingC:Φ ... semi=auto,full-auto, heating-keeping-cooling device period to control.2) perfect function of protect itself. such as, ... continuously.5)machine small volume, light weight, easy to remove,it has no high voltage, make operation ... : Hot Medium Frequency Induction Heating Machine X series