... steel removed from the old building,cold-drawn wire,waste welding rod of which the diameter is ... the nails bright.4)Packaging.Process flow: steel wire -- wire drawing ---nail making—nail polishing—finished nails.P.S ... .The steel wire drawn by the drawing machine can be used in ... inch,4 inch,5 inch,6 inch),different dies can make nails of different diameter.Voltage 380 ...