1. Stable,good cooling 2. High speed,co-extrusion 3. High output ... to 2000mm, single layer to 2 layers, 3 layers, 5layers and so on.Three layers stretch cling film machine:1) ... Main parts: one electrical power control box,3 extruders, one die,2 ... auto-winding system,2 winding shafts etc.2) Layers to be produced: 3 layers(one side sticky or 2 sides sticky stretch ...