... JH series high effective single screw extruder for wire and cable sheathing is result of our over twenty years research, ... smoke and no-halogen material and fluorine plastic to produce wire, cable, optic fiber, optic cable sheathing and coating. More over, we supply ... mini extruders and equipments for production of crosslink cable and co-axial foamed cable. Material of screw and barrel is 38CrMoAl A ...