pvc twin tubes extrusion line 1.CE certification 2.PLC control system 3.turn-key project pvc twin tubes extrusion line pvc twin tubes extrusion line1.CE certification2.PLC control system3.turn-key project Applicable ... ... .Components List:ItemDescriptionQty.1.SJSZ-51×22 Conical Twin Screw ExtruderOne set2.Twin-pipe Die,Moulds(ø20mm,ø25mm,ø32mm,ø40mm,ø50mm,63mm ...