... shrinkable film machine POF film blowing machineThe POF3-Layer coextrusion(polyolefin) heat shrink film blowing machine is designed and ... inner cooling forming system ,infrared heating system , auto supply gas system,temperature control adjustable module, ... advance structure ,assembling control,easy to operate, excellent auto system . . Type/UnitPOF-1500POF-1600Raw MaterialPPLLDPEPPLLDPEMax.Film ...