... coextrusion die, reasonable flow, both inside and outside pipe wall smooth, with stress on the production of 16 ... , operation is very convenient.technique data of corrugated pipe production line15-inch color touch screen large man-machine ... replace different mold, can produce PE pipe, PEX pipe, PERT pipe, PPR pipe etc.PERT floor heating corrugated pipe production linePERT floor heating corrugated ...