... by digital controlled lathe to keep the bearing be at the same level .(4) AOTONG axle body is processed by the double ... and to improve the axle safety standard . AOTONG axle INT auto parts fair : (1) December ,2010 ,Nigeria HEAVY DUTY TURCK ,TRAILER ... ,VEHICLE AUTO PART FAIR (2) November ,2011,Iran AUTO MECHANIKA HEAVY DUTY VEHICLE FAIR (3) March ...