... exported to over 30 countries in Australia, South africa, America, Europe, and Asia. Certificate: ISO9001, QS9000, VDA6.1 Air filter can ... filtrate any impurity in the air, so that the clean air can enter the engine, it make it burn completely and the air system can be ... market and sold to Australia, South africa, America, Europe, over 30 countries and zones of Asia.Certificate: ISO9001, QS9000, VDA6 ...