... high accuracy,bends in advances2. NC conntrol, high production efficiency, rolling article technology parameter NC melts Operation is simple ,effciency rises ... drum shape, the bottom of lower roller has the cooperetion regulation of beadng miler, can rolling up the product of ideal.4 ... &BNC-15*2000W11ST&BNC-32*4000 W11S Medium Size Upper Roller Universal Plate Rolling Machine