... PPR cold and hot pipes , compound pipes . PPR pipe extrusion line / PPR pipe extrusion lineThis PPR pipe production line is specially designed to produce various kinds PPR ... market , PPR, PP, PPB , PPC , PE . we develop this line with many advantage : human-machine interface , high automatic degree , the ... , fast cooling and high efficiency11. haul-off unit : adopt dual-claw or multi-claw tractor