该设备可由三台或多台押出机，真空冷去定形装置、牵引机、自动切割机及堆放架所组成。根据用户的要求，配合模具的设计，任意选择单色、双色、或三色共挤，生产多种规格的螺旋硬管及单色硬管、异形产品的押出成型。产品用途呼啦圈、玩具等。

    This kind product line is made up of three or more than three extruders,vacuum cooling calibration trough,traction,haul-off,automatic cutter and stacking unit,with the suitable dies designed according to customer's special requirements,it can be used to produce different specification rigid pipe with helix color lines or profiles with options of the color no:1,2 or 3.