... , etc.;5, a unique cooling circulation system, ensure that the equipment 24 hours of continuous work. Annealing (tempering and modulation):1 ... as golf ball head, cue, brass lock, hardware copper fitting, kitchen knife handle, blade, aluminum pan, aluminum pail, aluminum radiator and ... -35KHZ650*520*1100100%600gear quenching High frequency induction electrical annealing equipment