... ; for annealing; IGBT Intermediate frequency induction hot forging machine (5-20Khz) Main features 1.Adopt IGBT technology, with all-round ... Only 1 square meter.4.24 hours continuous smelt ability.5.Saving more than 20% energy, adopts electromagnetive mixing so ... of watch case, watch flan, handle, mold accessory, kitchen and table ware, art ware, standard part, fastener, fabricated mechanical part, ...