LF-700 Extruder machine for making pp woven bags wire1. The drawing machine , using material of polypropylene and high density polyethylene, through heating, extruding and drawing, makes tape that is then winded for the weaving of the circular loom. 2.. Having been improved so many times, the machine can use 100% recycled PP and PE granules or powder to produce yarn. 3. The screw and cylinder are made of nitrided 38CrMoAlA alloy steel, the hardness of which can reach over HV 950. Helical gear reducer