... of large size steel forged ring, which are widely used in slewing bearing, wind power tower flange, connecting flange of ... ,C45, 16Mn, 50Mn, 42CrMo, S355, Q3454. equipments: DK5300 ring rolling mill, 5000T press, 50T forging manipulator5. annual production capacity ... quality products to many manufactuerers of slewing bearing, wind power tower and heavy machine. Any interests in our products, ...