... 2.wide usage 3.long service life High Frequency Induction Heating Machine ModelOscillationpowerOscillation circuitOscillationfrequencyOscillating tubeMax.Workpiece dimension(mm ... this equipment heating time short piece is not out of shape easily, less oxidation of good quality, high efficiency, ... etc2.Steel, iron, copper, aluminum, gold and silver metal, such as a whole and local heating of forging, ...