... counting device, vertical cutting device, cooling water row pipe, film spreading roller, scrap collecting device.Use ... advanced levels in the 90s,come up with analogous lines in Home. It is ... films, from LDPE, HDPE, LLDPE, MLLPE, by horizontal extrusion up blown. The film has good in ... insulation oxygen, oil resistive, and so used for light and heavy-duty packaging, for example ... -head film blowing machine