... ,labor-saving 3)ISO9001:2008/CE 4)stroke is very easy plastic tube cutting machine Technical Data Model PG-425PG-435PG-450Cutting ... the die cutting of foam materials , paper board , textile , leather , plastic materials , flooring , fiberglass , softwood materials , etc. It is used in ... the height fo knife,so adjusting the stroke is very easy and exactitude. 4. The auto lubrication system make this ...