1. Stable,good cooling 2. High speed,co-extrusion 3. High output 4. Durable,hard steel made Stretch cling film machine mainly use LLDPE,LDPE ... layers, 5layers and so on.Three layers stretch cling film machine:1) Main parts: one electrical power control box,3 extruders ... die,2 cooling forming rollers,on-line recycling system,auto-cutting system,auto-winding system,2 winding shafts etc.2) Layers ...