... leading manufacture 3.high efficiency 4. produce various rolling machines cold rolling mill:1.(1)100,000-500,000ton wire, bar ... roll production line;2hi,4hi cold and hot board millaluminum rolling mill1, usageFirstly, melting the aluminum scrap into liquid ... machine,hydraulic cutter,equipment and technology lubrication system,electrical control system.Casting machine drove by DC motor,easy speed ...