... ,rod material in continious, semicontinous roll production line.(2)2hi,4hi of cold and hot boards ... ,bar,rod material in continious, semicontinous roll production line. (2)2-hi, 4-hi and many ... wire,bar,rod material in continious, semicontinous roll production line. (2)3-hi, 6-hi and many ... and nonstandard apparatus such as copper, aluminium line material continuous casting and tandem rolling group.5 ...