... , Nylon sheath and so on 70+35 construction wiring high speed extrusion production line plastic extruderApplicationApplied to BV, BVN, BVR, ... producing;2. Equipped the advanced, special universal cross-head, two-layer cross-head to fulfil the precise extruding technical requirements ... -efficiency pay off unit, non-stop operation;6. Max speed: 500-800m/minSpecifications Type WY-70+35Pay-off type Double ...