High speed pvc pipe production line 1.Independent vacuum, low power consumption, four pipe just need one vacuum pump 2.2k High speed pvc pipe production lineFacility list No.Product nameSpecificationunitquantity1ExtruderSJZ-65 conical twin screw extruder (one for four for special)12mouldOne for four pipe mould(contain 16,20,25mm core rod, Die, sizing sleeve) 32mm mould (optional)set13Vacuum ...