... 2,Produced nylon shealthing,powerwires 3,single and double extruding,double layer co-extruding Insulated core wire extruding machine ... feedback unit,the technical parameter of outside diameter and eccentricity degree can be controled. ModelQF35QF50QF70QF90QF100QF120Cylinder dia.φ35mm ... water trough "W" shape single layer shape double layer "U" shape double layer" "U"shape single layerU"shape ...