china Custom OEM Gearbox Alloy Steel Gear manufacturers

Item Description 1) Substance: 42CrMo, 20CrMnMo, 20Cr2Ni4, 35CrMo, 20CrMnTi andOther substantial depth alloy steeltwo) Tooth flank carburization and nitrification, with rigidity of HRC58-623) Gear precision: Quality V4)Exact measurement and surface area finishes are...