large forging rings. our professional work, good quality with favourable price. Specificationsvarious of slewing bearing forging 1).forging scope:dimeter 1100mm or larger2).weingt: 500kg or more3).material:various types of crabon steel,alloy steel,bearing steel,stainless steel,etc.4).use for wind power generation,nuclear power generation,ship,pressure vessels,petrochemical,machinery manufacturing ...