... through forging press with the help of punch press, forging machine or other equipments, for instances, hot extrusion of watch case ... mold accessory, kitchen and table ware, art ware, standard part, fastener, fabricated mechanical part, bronze lock, rivet, steel pin and pin.2 ... mold, mold accessory and inner hole of mold.C. Welding (braze welding, silver soldering and brazing)It mainly aims to melt the ...