Our factory is a professional supplier of trailer axle/ Semi- Trailer axle and suspension spare parts according to American and Germanic styles. We have a highly skilled, Experience team and also gathered perfect axle production process and reliable means of detection. We will strictly follow the procedure of ISO/ TS16949 quality management sustem for the purpose of approving products and service. In 2009, In order to accelerate the production technology and management improvement, Aotong will seek ISO/ TS16949.