... Iron2, Providing for German market for 5 years4, ISO9001:2008 Iron Casting V Belt Pulley 1, Material: Grey Iron2, Providing for ... dip, painting, black electrophoresis etcTypesSPA, SPB, SPC or according to customer's drawingTolerance0.05mmApplicationTransmissionCertificateISO9001:2008Conpany information:Quality Control:Package: gray iron sand casting