... : Laser-typeCo2 sealed laser tube , cooling water ,10.6umLaser-power300 W ( bidirectional , it have two laser head )Cutting speed 0-6000 ... ) How big working area do you want? Such as 900*600mm,1200*900mm or others.2)What materials will you cut or engrave? Acrylic ... ,wood,glass or other?3)How thickness will you cut or engrave ...