Door Waterproof Cover Manufacturers

Product Category •Auto Door Panel Waterproof Separator PE Film
Production Process •blister + heat welding
Car Brand •TFTM RVA4\Corolla\Lufang, FAW, Hongqi, Chery, etc.
Supply Market •Host manufacturers, primary and secondary suppliers, and after-sales markets
Advantages •The fusiform PE material can be controlled in various colors, distinguishing the left and right front and rear doors; if necessary, the wire harness holes can be flexibly distributed on the PE film, which still has the effect of waterproofing.

•Our company has the simultaneous design ability and mold design and manufacturing ability of the main engine factory.

•The waterproof membrane has various materials such as PE and XPE foam. There is an independent blister workshop. Fully automatic blister machine, automatic gluing machine, has many years of experience in blistering, and the product wall thickness is uniformly controlled. Welding strength control.

We offer custom Door Waterproof Cover design, manufacturing, testing. OEM/ODM available.

About New Huatai

Automotive Interior Parts Manufacturer

Ningbo New Huatai professional China Door Waterproof Cover Manufacturers and car Door Waterproof Cover 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

Understanding the Role of Door Waterproof Covers in Vehicle Protection

1. Preventing Water Ingress:One of the primary functions of door waterproof covers is to prevent water from entering the vehicle's interior through door openings. These covers act as a barrier between the external environment, such as rain, snow, or car wash water, and the sensitive electrical and mechanical components housed within the doors. By effectively sealing the door openings, waterproof covers safeguard against water damage, corrosion, and potential malfunctions caused by moisture exposure.

2.Protecting Electronic and Mechanical Components:Modern vehicles incorporate an array of electronic and mechanical components within the doors, including power window motors, speakers, wiring harnesses, and locking mechanisms. Door waterproof covers create a protective shield around these components, shielding them from moisture and potential short circuits. By maintaining the integrity of these vital systems, waterproof covers contribute to the overall reliability and longevity of the vehicle.

Design and Construction Considerations for Effective Door Waterproof Covers

1.Material Selection:Door waterproof covers are typically made from resilient materials that can withstand exposure to water, temperature variations, and other environmental factors. Common materials used include synthetic rubber, thermoplastic elastomers (TPE), or specialized waterproof fabrics. These materials offer flexibility, durability, and resistance to deformation, ensuring long-lasting protection against water ingress.

2.Sealing Mechanisms:Effective sealing mechanisms are crucial for door waterproof covers to provide a watertight seal. Innovative designs incorporate features such as sealing gaskets, flaps, or channels that snugly fit into the door structure, preventing water from infiltrating the interior. Precision in design and manufacturing is essential to ensure a proper fit and seal around the door openings, mitigating the risk of water leakage.

3.Durability and Resistance:Door waterproof covers are subject to constant exposure to external elements, including sunlight, temperature fluctuations, and physical impacts. Therefore, durability and resistance to wear are critical considerations during the design and material selection process. UV stabilization additives, reinforcement ribs, and robust construction techniques are employed to enhance the covers' longevity, ensuring they maintain their protective properties over time.

Advancements in Door Waterproof Covers for Enhanced Performance

1.Advanced Water Management Systems:Door Waterproof Cover Manufacturers are integrating advanced water management systems within door waterproof covers to ensure efficient drainage and minimize the risk of water accumulation. These systems consist of strategically placed drainage channels and outlets that direct water away from sensitive components, reducing the likelihood of corrosion and damage.

2.Integrated Soundproofing Features:Door waterproof covers are now being designed to serve dual purposes, not only protecting against water but also contributing to cabin sound insulation. Soundproofing elements, such as foam or insulation layers, are incorporated into the covers to dampen external noise, enhancing the overall acoustic comfort of the vehicle interior.