... press with the help of punch press, forging machine or other equipments, for instances, hot extrusion ... table ware, art ware, standard part, fastener, fabricated mechanical part, bronze lock, rivet, steel pin and pin ... such as gear and axes.4. Quench for machine tools, such as lathe deck and guide rail ... center bit. 2. Welding of various hardware mechanical gadget: Silver soldering and brazing of metals of ...