... leading manufacture 3.high efficiency 4. produce various rolling machines cold rolling mill:1.(1)100,000-500,000ton wire, bar ... in detail:) 250 - 650 type steel rolling aircrew and cold bed, roll table, push steel auxiliary equipment. (4)According ... material ;continuous, semi-continuous roll production line;2hi,4hi cold and hot board millaluminum rolling mill1, usageFirstly, melting the aluminum ...