Characteristics:
1.Double-layer co-extrusion laminated film can prolong the length for preservation of liquid package. 
2.The cylinder and the screw stem of the extruder are made of high quality alloy steel with optimum hardness and durable 

service after precision finishing and nitrogen treatment. 
3.The auxiliary machine has a platform working table for making operation easy and is equipped with bubble stabilizing ring. 
4.Double-rolling and double-cutting coiling unit adopts torque motor to keep proper tensions and make rolling even and roll- 

changing easy.
Barrel and screw material:  38 chrome-molybdenum aluminum , nitrogen treated
Rotary die device : Continuous 360 degree rotation
http://www.sanbimachine.com/