... type pipe extrusion line for cold and hot water supply high quality and best price advanced ... NEW TYPE PLPE EXTRUSION LINE FOR COLD AND HOT WATER SUPPLYThe line usee the resin PPR,PPCand ... can be used extensively to transport cold and hot water,oil,corrosive liquid and served as central ... special single screw extruder,die,vacuum cooling calibrating system,haul-off unit,cutter and automatic stacking ...