What is twin shaft shredder machine This is a customized metal shredder with red color, used to cut and shred soft scrap metal, such as scrap copper, scrap aluminum, scrap iron, scrap steel, and so on. Are you interested in this copper shredder Equipped with two copper motors, one on each side of the shredder; High machine quality and good machine performance, also have a long machine life. Low speed and high torque, low noise and low dust; PLC control, equipped with an independent electric box, is safe and reliable