1)2hi,4hi cold and hot roll mill 2)100,000-500,000t wire,bar,rod material; 3)continious,semicontinous roll production line; 1, 1, Description:... ... ...annual output 50000t bar shop of semi-continuous rolling mill layout;... ... .. Rough mill is consisted of a 300 × 1 three-roll mill;... ... ... In the mill is by the two 280× 2 two-roll mills;... ... ... Finishing mill by the three 280 × 2 two- ...