... .3,Work fast,the maximum cutting speed can reach 14m/min for batch processing, And laser processing speed can be comparable ... .4,Use of low cost is the cost of laser 1/10.5,Easy to use, easy to operate, ... copper, carbon steel,metal materials.plasma cutting machine for metal materials:Powersupply: Imported Hypertherm or Thermadyne series or ChinaControl system: Shanghai Communication University ...