... discharging 3.3CR17 long lifecycle 4.on-time delivery pvc pipe mould: 1. pvc pipe mouldstructure uses advanced technology of multi-cavity, multi-flow ... tubes,water-supply pipe, draining pipe, gas pipe, telecommunications pipe, land warming pipe, etc.3.Plastic pipe mould types: stent style and co-extrusion style compound mould ... ,φ32,φ40,φ50,φ65---φ630 and so on.5. material: PVC, PE, PPR, etc.