... 3,no vibration 4,safe & reliable Y83-4000 Hydraulic metal press crumbs machineApplications:Y83 series of briquetting presses are applied ... to compress metal sawdust(steel,cast iron,aluminum & copper) into cylindrical ... ,can subsititue pig iron as raw materials.Features:1) Hydraulic drive,operation stable,no vibration,safe & reliable.2) ...