... wire,bar,rod material ;continious, semicontinous roll production line;2hi,4hi cold and hot board ... mill 2. Specialize in the unit apparatus of steel ... wire,bar,rod material in continious, semicontinous roll production line. (2)2-hi, 4-hi and many roller cold ... 000ton wire,bar,rod material in continious, semicontinous roll production line. (2)3-hi, 6-hi and many roller ...