... adopt ZF Technology which is German gear standard. We supply transmission gearbox parts for Howo, Steyr King ,Steyr, Benz, Beiben truck ... , Daewoo, Neoplan, Kaisiboaer, etc. We supply these syncrhonizer rings:127230407612503043911268304525129730440212683045941075304052126932828921593280021268304424 Synchronizer ring 1268304594 is the item 9 in the following drawing: