... Heat treatment: annealing, normalizing, carbonitriding,carburizing, tempering6) Precision shot peen gear faces and roots to increase load capacity IntroductionWe can manufacture ... powder coatingInspectionCoordinate measuring machine, optical comparator , surface indicator, chemical element analysis, hardness testing, tensile testing, impact testing.CertificateISO9001:2000 / TS16949 High quality gear