Fit to process plastics with suprerior quality First stage is twin -screw extruder without die, 2rd is single screw extruder Euro-quality & competitive-price SP 75/180 tandem line extruder ,has been abroad applied to various thermo sensibility material series and great capability dehydration and volatilizaiton work , such as PVC, XLPE,Zero halogen cable, shield material, high concentration carbon ...