aluminum scrap briquetting machine 1,pressing machine for metal scrap 2, metal briquette is easy to melt Hydraulic aluminum chips briquetting machine 1, without binder, these machines are mainly used to press raw materials into high-density columnar briquette or blocks (weight: 2-8kg)2,Raw materials :metal scrap filings(as iron, copper and aluminum ,etc.), metal powders (as iron, aluminum, cooper ...