Extrusion production line plastic extruder: Applied to BV, BVN, BVR, RV, Nylon sheath and ... on 70+35 construction wiring high speed extrusion production line plastic extruderApplicationApplied to BV, BVN, BVR, RV, Nylon sheath and halogen ... the producing;2. Equipped the advanced, special universal cross-head, two-layer cross-head to fulfil the precise extruding technical requirements ...