Tape Drawing Machine using material of PP HDPE to make the pp woven bag yarn.pp yarn extruder diameter of screw;110,diame:120 The machine,useing material of polypropylene & high density polyethylene,through heating,extruding and drawing,makes tape that is then winded for the weaving of the circular loom. Have been improvied so many times,the machine can use 100% regenrated PP & PE,powder or grain ...