... of high technolog such as mandril inner cooling forming system ,infrared heating system , auto supply gas system,temperature control adjustable module, rewind ... advance structure ,assembling control,easy to operate, excellent auto system . . Type/UnitPOF-1500POF-1600Raw MaterialPPLLDPEPPLLDPEMax.Film Width(mm) ... Diameter(mm)for middle layerΦ65Φ85Screw L/D Tatio(L/D)28:128:1Total Power of The Line(kva ...