... bits. It can separate mixed bits of aluminium and ferrum if equipped with magnetic roller PX-450 metal recycling plant / ... Metal Crusher for Recycling in Factory with good price and best quanlity Applicable scope: This machine for low-speed-operation, with the sword plate ... with torsion big, high output, no rashness sound, wear-resisting advantages, but for all kinds of steel scurf, copper, aluminum ...