... -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 , hot ... products, copper product, aluminium material and various nonferrous metals reformed system. This kind of apparatus does not need to carry the ...