... for wind power, petrochemical industry Material:Carbon steel, alloy steel Our advantages are your best choice:The best ... D personnel.Product details:Name:Gear ringMaterial: carbon steel ,alloy steelProcess: ForgedLeading products: Forging pieces, such as many ... shafts, different kinds of flanges, gear rings, brake discs , roller ,tubular parts, and other forging parts. Manufacture equipements: 4000ton ...