... Iron; Black Iron; Al. 2. Features : Perforated Metal is also named Perforated Mesh, Perforated Metal mesh, or Punched Metal, It can be supplied in ... of mine,medicine, grain, in sound insulation as sound mesh, in ventilate of grain depot. 4. Characteristic:The metal ... is punched to mesh sheets, corrosion-resisting, long-lasting, winding-resisting, smooth-surface ...