... prefect protection system enhance good reliability7. Suitable for heating medium size of part.1.All-solid-state IGBT frequency ... instances, hot extrusion of watch case, watch flan, handle, mold accessory, kitchen and table ware, art ware, standard part, ... kitchen products, refrigerating copper fitting, lamp decoration fitting, precision mold fitting, hardware handle, eggbeater, alloy steel and steel, ...