The Because the machine figure form is special, the structure complications clean machine must from roll the craft of plastic to come to model once, is other plastics crafts can''t replace of. The Roll the plastic product outward appearance beauty, the color matches mutually, the using the convenience, the to the machine body, the a gastight water, the defend the impact, the bear the corrosion, the electric wire contact is safe, fixing an etc. to the large market, public place, automobile each half that clean the place to replace to use at first the artificial the mechanization tidies up the tool.