QJ-400M copper granulator is design made by our company since 2002. lt can deal with car cable, communications cable, miscellaneous cables.Through its body is small , but also has Crusher , Dust collection system, Vibrator,air cleaner,Suction fan inside. Less electic  cost, more processing capacity.Plastic & copper is diferert in density , So the crusher can stripping the plastic(by high quality blade).Then separated by Vibrator & Suction together.So front the copper come out, plastic come out in the other side. Dust will be sent by duct to dust collector. (It can deal with 0.5-2OMM scrap cable,single conductor diameter of 0.2-0.3mm best.)