... 2. leading manufacture 3.high efficiency 4. produce various rolling machines cold rolling mill:1.(1)100,000-500,000ton wire, bar, rod ... production line.(2)2hi,4hi of cold and hot boards rolling mill.(3 product comments in detail:) 250 - 650 type steel ... type 3hi continuous casting machine,,through 13 times rolling of the 13 sets Y type 3hi continuous casting machine,rolling into Φ9.5mm aluminum ...