... band 4,low maintainance cost 5,save 30% energy IGBT technology induction metal processing equipmentInduction Equipment Features:1, a unique ... of the surface of the metal, the hole, partial or total quenching. Such as: hammer, knife, scissors, pliers and all ... recommendedGear quenching, work piece forging, brazingTemperature protection50 degrees IGBT technology induction metal processing equipment