China wholesaler 34CrMo4 Scm430 Scm2 4130 Alloy Steel Forgings Gear Rings Shaft Blanks Oil Well Drill Pipe Couplings gear coupling

Product Description Product DescriptionProduct Name   FORGING STEEL RINGForging ToleranceConstruction machinery forging parts forging rings+/-0.1mmSurface TreatmentTurning / MachiningPrecise MachiningMountain Hole/Grease HolesPrecise TurningRacewaysTransport...

China Standard Custom Precision Machining Fabrication Machinery Parts Core Air Shaft Gear Pin Coupling gear coupling

Product Description HangZhou CZPT Precision Industry Co.,Ltd The company has owned IS0 9001 (International Quality Management) system certification, ISO14001 (International Environmental Management) system certification, IATF16949 (International Automotive Task Force)...