Single dunguwa roba extruder ne roba roba extrusion molding inji, musayar daban-daban nau'ikan kai (baki mold, core sanduna) tare da daidai taimakon inji goyon bayan amfani, shi ne m, wuya polyvinyl chloride, polyethylene, polypropylene ... da sauran albarkatun kasa don bututu, sanduna, band siffar, bushewa molding fim, ja waya, bushewa kwalba da kuma kunshin waya, kebul, rufi layi samar.