... : 2 inlets ,2 outletsApplicationQuenching, annealing, conditioning saw blades, drill, turning welding standard parts of axial etc fastener local heating ... a tight firmware and other machine piece, hardware tool, handle drill, keep the hot upsetting. keep the hot cutting. it ... equipments of our company proceeds the heat treatment.3.WELD,DRILL (change to high frequency) Carbide cutting tools weld, ...