... produce vacuum stretch hose,industrial hose,wire conduit,corrugated hose,ventilation hose,PVC hose,PU hose,ducting since 1989 Name ... hose,EVA profile hose,pvc spiral hose,plastic hose,vacuun hose,industrial hose,wire conduit,corrugated Materials: Outer bore ... (Wall): High quality soft PVCReinforcement: High intensity PVC coated spring steel ...