product：tempering, annealing vacuum furnace
be suitable to the annealing of bearing steel, mold steel, stainless steel and electrician magnetic materials.
１.perfect uniformity of temperature, small deformation after heat treatment, high production efficiency, low cost, simple operation, flexible input of programming process, stable mechanical movement.
２. soft start of air-cooled motor.
３. manual/semi-automatic/automatic control.
４.automatic fault alarm/display
５. inner circle cooling.
６. convection heating function.(optional)
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