... it is a heat shrink packaging material of new generation enviroment protction.structure characteristic:1.the unique designed ... inner cooling forming system ,infrared heating system , auto supply gas system,temperature control adjustable module, rewind ... as advance structure ,assembling control,easy to operate, excellent auto system . . Type/UnitPOF-1500POF-1600Raw MaterialPPLLDPEPPLLDPEMax.Film Width ...