With the rapid development of the times, people's pursuits continue to improve, and the car has changed from the original transportation tool to the necessary transportation tool for everyone. The quality of the car is not only the performance of the car, but now the car manufacturer has begun to pursue the car interior jewelry. The environmental protection problem, our company should respond to the environmental protection requirements of the interior parts of the car made by the main engine factory. The new environmental protection odor level 3 of the new ventilation pipe material is currently at the international advanced level.