... purchases; mills for rebar100,000-500,000ton wire,bar,rod material ;continious, semicontinous roll production line;2hi ... 000ton wire,bar,rod material in continious, semicontinous roll production line. (2)2-hi, 4- ... rolling mill. (3)250 - 650 type three- roller hot rolling mill and horizontal,vertical rolling ... rolling mill. (3)250 - 650 type three- roller hot rolling mill and horizontal,vertical rolling ...