... 500,000ton wire,bar,rod material in continious, semicontinous roll production line.(2)2hi,4hi of cold and hot boards rolling mill ... -600,000ton wire,bar,rod material in continious, semicontinous roll production line. (2)3-hi, 6-hi and many roller cold , ... equipment and nonstandard apparatus such as copper, aluminium line material continuous casting and tandem rolling group.5.Small-scale rolling mill ...