... has in advancecurved, freedom sets straight side length, upper rcller direct pressudzation bends in advance, can complete ... ,effciency rises substantillay.3.Product precision is outstandlng, upper roller submit drum shape, the bottom of lower ... LowerCentral Distance between the Two Lower RollersMotor Power(kw)Upper RollerThicknessWidthRollerRoller(mm)(Tons)EndCentral(mm)(mm)(mm) DrivingHydraulicShift ...