... casting, tempering, heating and ect. Application of handheld induction heater:A. Heating (hot forging, hot fitting and smelting):1 ... hardware molds, such as small-size mold, mold accessory and inner hole of mold.C. Welding (braze welding, silver soldering ... kitchen products, refrigerating copper fitting, lamp decoration fitting, precision mold fitting, hardware handle, eggbeater, alloy steel and steel, ...