Car Air Duct Manufacturers

Product Category •Auto Air Conditioning Duct
Production Process •Blow molding
Car Brand •Currently matching with BMW (1-3 series, X1-5 models), Tesla, Volkswagen, Ideal X03 and other models.
Supply Market •Host manufacturers, primary and secondary suppliers, and after-sales markets
Advantages •Our company starts from the product mold to make technological breakthroughs, adopts high-precision cutting equipment, increases production efficiency by 30%, and improves quality stability by 10%.


Air-conditioning duct is our main blow molding product. Air duct types include blow-molded HDPE air duct and foam-absorbing XPE. With 15 years of experience in the development and production of air ducts for various parts of the car: IP air ducts, seat air ducts, Console air ducts, foot air ducts, ceiling air ducts, etc. The air duct opening is fully automatic cutting. Carry out size inspection and flame retardant experiment. Add sound insulation cotton to the outside of the air duct to reduce noise (according to customer needs). Robot flame burr treatment.


The company starts from the product mold to make technological breakthroughs, adopts high-precision cutting equipment, increases production efficiency by 30%, and improves quality stability by 10%.


At present, it is matched with various car series such as Mercedes-Benz, BMW, Tesla, Volkswagen, and Lixiang X03.

We offer custom blow-molded HDPE air duct and foam-absorbing XPE design, manufacturing, testing. OEM/ODM available.

About New Huatai

Automotive Interior Parts Manufacturer

Ningbo New Huatai professional China blow-molded car air duct Manufacturers and air conditioning duct suppliers, we custom Auto Interior Trim Molding in over 20 years. Founded in 1995, is a national high-tech enterprise specializing in auto parts. As the technology center of Ningbo enterprise, New Huatai has solid technology, a strict quality management system, first-class production equipment to meet customers' requirements.
The company has established an engineering research and development center; the company has the ability to design simultaneously with the OEM: From product design, mold design and mold manufacturing to product mass production, the company can independently complete it; realize that customers can build a manufacturing base nearby, and main products including Automotive interior parts, glove boxes, airbag frames, armrest cup holders, sun visors, Gas-assisted handles and vehicle buckles; air-conditioning ducts; blister series products and high-precision molds, etc.
  • 1995

    Founded In(Year)

  • 500+


  • 45+

    Export Countries


  • CE Certificates
  • ISO14001 Certificates
  • CE Certificates
  • CE Certificates
  • CE Certificates
  • CE Certificates
  • National Intellectual Property Advantageous Enterprise
  • 21-year provincial high-tech research and development centre
  • 22 years of positive list companies
  • Intellectual Property Demonstration Enterprises
  • County Government Quality Award
  • Excellent Enterprise
  • Key backbone model enterprises
  • Small Giant Enterprises
  • Star Enterprise
  • Star Enterprise
  • Five Star Grassroots Party Organisations
  • Vice President Unit
  • Demonstration Points

Industry Knowledge Expansion

Car air ducts are an essential component of a vehicle's ventilation and air conditioning system. They are responsible for directing airflow throughout the cabin, ensuring proper ventilation, heating, and cooling for the comfort and safety of passengers. Car air ducts play a crucial role in maintaining the desired temperature, removing stale air, and delivering fresh air to the interior of the vehicle. As professional China blow-molded car air duct Manufacturers and air conditioning duct suppliers, Ningbo New Huatai custom Auto Interior Trim Molding in over 20 years.

I. Features of Car Air Ducts:

Car air ducts possess several key features that contribute to their effectiveness and efficiency in regulating airflow within the vehicle. These features include:

Design and Construction: Car air ducts are typically designed as flexible, hollow tubes made from durable materials such as plastic or rubber. The flexibility of these ducts allows them to be routed through various areas of the vehicle's interior, ensuring the efficient distribution of airflow. The materials used are lightweight, resistant to temperature extremes, and durable enough to withstand the rigors of automotive use.

Airflow Control Mechanisms: Car air ducts often incorporate airflow control mechanisms, such as adjustable vents or flaps. These mechanisms enable passengers to direct and regulate the amount of airflow within the cabin, providing personalized comfort. By adjusting the vents or flaps, occupants can redirect air to different areas of the vehicle, such as the face, chest, or feet, based on their preferences.

Noise Reduction: Car air ducts are designed to minimize noise transmission from the engine compartment or external environment to the cabin. The ducts are equipped with insulation or noise-dampening materials, reducing the transfer of noise and vibrations. This feature enhances the overall comfort and tranquility of the vehicle's interior, ensuring a pleasant driving experience.

Integration with HVAC System: Car air ducts are seamlessly integrated into the vehicle's heating, ventilation, and air conditioning (HVAC) system. They connect to the HVAC unit, allowing conditioned air to flow through the ducts and into the cabin. The integration ensures that the airflow is properly regulated and controlled, maintaining the desired temperature and air quality within the vehicle.

II. Functions of Car Air Ducts:

Car air ducts perform crucial functions that contribute to the comfort and well-being of vehicle occupants. Some of their key functions include:

Air Circulation: Car air ducts facilitate the circulation of air throughout the vehicle's interior, ensuring a constant supply of fresh air. They draw in outside air and distribute it evenly, preventing the accumulation of stale air or odors. Proper air circulation also helps reduce the buildup of condensation on windows, enhancing visibility and safety.

Temperature Regulation: Car air ducts play a vital role in regulating the temperature within the cabin. In conjunction with the HVAC system, the ducts deliver heated or cooled air to the desired areas, ensuring a comfortable environment regardless of external weather conditions. The ability to control and direct airflow allows occupants to adjust the temperature according to their preferences.

Ventilation and Defrosting: Car air ducts assist in ventilating the cabin by removing odors, pollutants, and excess humidity. They aid in defogging and defrosting windows by directing warm airflow onto the glass surfaces, reducing condensation and improving visibility. Proper ventilation and defrosting contribute to the overall safety and comfort of the vehicle occupants.

III. Benefits of Blow-Molded Car Air Ducts:

Improved Airflow Efficiency: The seamless and precisely engineered design of blow-molded air ducts optimizes the flow of conditioned air within the vehicle's cabin. This results in improved airflow efficiency, reducing the HVAC system's workload and enhancing overall cooling and heating performance.

Noise Reduction: Blow-molded ducts can be designed to reduce noise transmission, contributing to a quieter and more comfortable driving experience. The smooth interior surfaces and effective insulation properties dampen airflow-related noises, creating a quieter cabin ambiance.

Enhanced Aesthetics: Blow-molded car air ducts can be produced with attention to aesthetics, incorporating design elements that complement the vehicle's interior. The flexibility of the blow molding process allows for the integration of branding elements, logos, or texture patterns to add a touch of sophistication to the ducts' appearance.

Easy Installation: Lightweight construction and tailored designs make blow-molded ducts easy to install during vehicle assembly. The accurate fit and standardized shapes streamline the installation process, reducing assembly time and associated labor costs.