... drill bits,saw blades,steel tubes and motor rotors... Energy saving high frequency electric induction heating furnace This series of high ... bit welding, saw blade welding, motor rotor welding, tungsten rod annealing as well as single crystal drawing, characterized by a ... steel tubes and motor rotors, as well as tungsten rod annealingGP30-C3A3025300-4503-phase380V50 KVA601-1.50.21000×1200×1800GP60 ...