OEM No/Model: AT
we adopt 20 Mn seamless steel pipe to produce the axle tube ,non-asbestos to make sure the brake performance .in order to controll the concentricity within 0.02 mm we use the double side single hole boring and double sides three hole broing lathe .in order to enhance the intensity of axle spindle ,we process the axle spindle by solid forging and heat -treat -ment technology .