... CE.ISO 3.crush with high efficiency 4.low energy consumption double shaft metal shredder machine with CE Double shaft shredder machine cut together ... ,waste appliance,paper,leather,wood,rubber,ect coarse crushing,intermediate crushing.feature of double shaft shredder 1.high quantity,low ... into larger raw material. 3.It is special rotary blades,strong blade load,sharp cutting edge in thickness,shape, ...