The product can be applied to all kinds of useless steel, firstly the head of the steel will be rolled round though the chuck machine, the length of rolling is 200mm, then going into the mouth of the clip though the wortle, after being prepared well, it begins to start drawing. First ,automatic cleaning Second, it can draw straight or round,.Third, it also can fine-draw. All of those can be finished at one time.It can be used as nail making, building materials of . It belongs to the energy-efficient equipment which can turn the waste into wealth.