According to statistics, there are 10% non-ferrous metal (mainly copper and aluminum) and stainless steel in scrap steel shredder tailing materials (8%-10% of raw material). Tailing material ratio and the ratio of contained non-ferrous metal and stainless steel are much higher than these data for ELV shredding companies. It is the important profit growth point of Shredder line customers which tailing materials are as rubbish processed. And it will really decide theprofit level of a recycling company.