... bed The technical parameters of cooling bed equipment, The use of cooling bed : rebar, round steel cooling and straightening Types of cooling steel: carbon ... 1, hot rolling mill2, cold rolling mill3,2-roller horizontal rolling mill4,2-roller vertical rolling mill5,3-roller ... pipe product line2, seamless product line3, bar product line4,round bar ,steel wire mill5,medium plate mill6,hot-rolled band ...