... various of rebars; hot rolled steel rebar rolledrolling machine technical data1)100,000-500,000ton wire,bar, ... semicontinous roll production line.2)2hi,4hi of cold and hot boards rolling mill.3)product comments ... detail:) 250 - 650 type steel rolling aircrew and cold bed, roll table, push steel auxiliary equipment. (4 ... the complete production technology scheme gear box for 3Hi cold roll mills for rebar