... 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 boxOne for four PVC pipe vacuum cooling ... it can also produce PP, PE, ABS, & PPR, PEX, silicon core pipe and pipe material of other material. The planet-shaped ...