... like quenching, annealing, tempering, drill bit welding, saw blade welding, motor rotor welding, tungsten rod annealing as well as single crystal drawing ... 21000×800×1800Quenching, annealing, tempering, diathermy, metal smelting, welding of drill bits, saw blades, steel tubes and motor ... rotors, as well as tungsten rod annealingGP30-C3A3025300-4503-phase380V50 KVA601-1.50.21000×1200 ...