... PIPE MILL,PIERCING MILL,HOT ROLL MILL,REDUCING MILL,STRAIGHTENER. 1.Hot rolling seamless pipe mill Typical production flow : ACCU-roll mill, ASSEL mill, MPM tandem rolling mill.2. Piercing mill ... machine, continous rolling machine, Accr-roll machine, Assel mill, push bench mill and squeeze mill. Rolling size range: Accu roll mill can produce pierced billet suit ...