... hardening,welding,forging,annealing and melting High Frequency Industrial Electric Heating Power Supply Series device has the following ... Special security, no pressure, eliminating the high risk of electric shock;5, High reliability: modular, integrated, high reliability ... , planer, punch, etc.)5. All kinds of pliers, knives, scissors, axes, hammers and other hand tools quenchingDiathermy categories1 ...