spring plasitc hose machine 1) PE PVC material, diameter 16-110mm. 2)spiral shape, cable, wire protect, lost consumption spring plasitc hose machine 1.SJ-65/30 or SJ45/30 single screw extruder / 1 set2. mould each set3. Spiral forming unit 1 set4. Rotary haul off unit 1 set5.. winding unit 1 set ////