... used in the area of agricultural water supply system, architectural water supply system, pavement of cables...etc. As well as PVC pipe material ... (parallel) screw extruder, vacuum calibration tank, haul-off, cutter, tilter...etc. The screw extruder and haul-off unit have applied imported ... type, four-claw type, six-claw type, eight-claw type...etc. Sawing cutting or planet cutting can be applied, it is ...