... , high quality and attractive price PVC tooling for construsion pipe:1. pvc pipe tooling structure uses advanced technology of multi-cavity ... usages: threading tubes,water-supply pipe, draining pipe, gas pipe, telecommunications pipe, land warming pipe, etc.3. pvc pipe tooling types: stent style and ... steel, stainless steel or copper located sleeve.4. pvc pipe tooling sizes: φ20,φ25,φ32,φ40,φ50,φ65---φ ...