Mainly used for shafts, rods, gear, etc. quenching, tempering, annealing, ... billets, tubes and bars.Changjiang supplies kinds of industrial furnaces to market, heat treatment equipments which are ... to our customers. This Jumbo Annular type Heating Furnace ( industrial furnace) is applicable to heating ferrous and non-ferrous ... metal product. Large well Type Heat Treatment Furnace(industrial furnace)