Here you can view the various models and types of Extrusion Machinery available at best price. These machines are brought to you by Vital Force Engineering â a pioneer name in the industry. In this range, we are providing single screw extruder in HDPE, PPR and PVC. Also, twin screw extruder machine can be inquired under this range. We also provide repair, installation, and maintenance services for Extrusion Machinery. Extrusion is a process which is used for the development of objects that have a fixed cross-sectional profile. There is a die present in it, through which a material is pushed.