... service life and so on. ItemDescriptionQty1Vacuum feeding machine ( charger ) type ZJ-10001 set2Hopper dryer type STG-U15001 set3Single-Screw Extruder type ... ,315,400,500,560,630mm as required pressure class ( 1 class )1 set5Marking line co-extruder type SJ45/281 set6Vacuum calibration tank ...