pvc pipe mould:1.advanced R&D tech. 2.high output/stable discharging 3.3CR17 long lifecycle 4.on-time delivery pvc pipe mould: 1. pvc pipe mouldstructure ... .2.usages: threading tubes,water-supply pipe, draining pipe, gas pipe, telecommunications pipe, land warming pipe, etc.3.Plastic pipe mould types: stent style and co ... ,φ32,φ40,φ50,φ65---φ630 and so on.5. material: PVC, PE, PPR, etc.