The shape of the knief-axis is eight character about one's bith. It has a large smashing force for hollow thin-walled plastic products. The installment model of the cutter blade is back to back. So it has a large cutting force.

Sphere of application: It has a good crushing effort for various hollow thin-walled bottles, thin film, woven bags, nylon and other plastic products. Automatic feeding device and automatic delivery filling system can be additionally mouted, which make the production efficiency high.