... for instances, hot extrusion of watch case, watch flan, handle, mold accessory, kitchen and table ware, art ware, standard ... melt the metal into liquid by using the high temperature, which is applicable to the smelting of iron, steel, copper, aluminum, ... hammer, ax, screwing tools and shear (orchard shear).Quench for various automobile and motorcycle fittings, such as crankshaft, connection rod ...