> The unit adopts the absorbents with superior performance and high-effective selection,which are especially applicable to solve Iow intensity,size deviation,bad lustre and silver bar phenomenon of engineering plastics in order to improve the grade of the dehumidfying system of plastic fomation.> 1.The unit adopts the dehumidifying method of Iow dew point.> 2.The air treatment system of closed circulation keeps high-efficient and energy-saving.> 3.It can make a noticeable improvement of product grade.