Four-column 20-roller mill, with advanced AGC thickness automatic control and AFC straightness automatic control. The slant feature of this mill is more conducive to straightness control. The coiler is driven by a double motor, which can precisely control the tension during rolling. It provides a full range of guarantees for rolling high-strength and high precision stainless steel strips. The thickness control accuracy is up to 0.001mm, It is one of the most advanced mills in the world.