... OEM/ODM OEM rubber belt tracks forging iron core About ZhongshengRizhao Zhongsheng Forging Company Ltd. specializes ... 14Cr1Mo, F304, F316,17-4PH4) Shaft related forgings: 25CrMo4, 42CrMo4, 40CrNiMo, 34CrNi3Mo, 25Cr2Ni4MoV, 18CrNiMo5, 30CrMo, 4130,41405) ... Tons/YearTesting Facility: Chemical, Mechanical, NDT, Hydro, Hardness, Micro Structure and General InspectionSurface treatment: Nickel Plating. ...