material: 20CrMnTi shape: bevel, cylindrical We can offer you all kinds of gears(spur gear,bevel gear,sprial gear,internal gear,sprocket,chain wheel)transmission,reducer ... ) Heat treatment: annealing, normalizing, carbonitriding,carburizing, tempering6) Precision shot peen gear faces and roots to increase load capacityManufacture: Dingzhou Jiayu ...