Metal Recycling Machines Supplier. Q91-4000 exported light scrap metal tube pipe gantry shear. Q91-5000 waste scrap steel recycling cutting machine for heavy m. Q91-6300 automatic steel rebar aluminum copper scrap squeeze she. Q91-8000 heavy-duty steel sheets pipes tubes guillotine shear. 1000ton~1600ton heavy-duty large scrap metal blocks .