... Complete Production process PVC insulated --- Model 50mm screw PVC wire extrusion machine (Wire diameter range : 0.6mm-4.0mm ) Application : ... extrusion , maily used in fire alam cable , electrical wire , house wire , fixed wiring cable, data cable , power supply cord ... & sheathed.3. PVC Sheath --- Model 70mm screw PVC wire extrusion machine (Wire diameter range : 1.5mm-12mm ) Application : mainly ...