We are specialing in manufacturing HOT ROLLING SEAMLESS 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 ... Consist of eight stands straightener and five stands straightener. Range: Φ 20-219 , Φ 60-340 .