... ,(1)100,000-500,000ton wire,bar,rod material in continious, semicontinous roll production line.(2)2hi,4hi of cold and hot boards ... : (1)100,000-600,000ton wire,bar,rod material in continious, semicontinous roll production line. (2)2-hi, 4-hi and many roller ... and tandem rolling group.5.Small-scale rolling mill:The one utilizes small-scale rolling apparatus (this technical design thesis has ...