No.7-Industrial Furnaces:Precision oven,laboratory oven,Lead Melting Furnace,Aluminum Solution Heat Treat Furnace,refrigeration parts oxygen annealing furnace,Pit vacuum annealing furnace,Electrode salt bath furnace,Pit Type Tempering Furnace,tilt trolley resistance furnace,Ball annealing furnace, Liquid collection tank,Rotary drum type furnaces,