BiaoDian Nonwoven Technology Co., Ltd. is a professional automotive filter media manufacturer and supplier in China, specializing in Engine Air Filter Elements and Cabin Filter Elements. We provide complete automotive filtration solutions for global OEMs, Tier 1 suppliers, and aftermarket customers.
Our products are widely used in engine air intake systems and cabin HVAC systems, covering particulate filtration, PM2.5 removal, antibacterial treatment, anti-allergy solutions, and functional filtration media development.
With years of experience in automotive filtration, BiaoDian offers customized filter media, finished filter elements, and OEM/ODM services to meet the increasingly demanding requirements of modern vehicles.
As the automotive industry moves toward electrification, environmental protection, and health-oriented technologies, filtration systems are becoming increasingly important.
Traditionally, filters were designed simply to prevent dust and contaminants from entering vehicle systems.
Today, they are expected to:
* Improve engine performance;
* Protect passenger health;
* Reduce PM2.5 and allergens;
* Extend service life;
* Meet stricter environmental standards.
Modern automotive filtration is evolving toward:
✔ Higher filtration efficiency
✔ Lower airflow resistance
✔ Longer service life
✔ Lightweight and environmentally friendly structures
✔ Multi-functional filtration solutions
For this reason, both Engine Air Filter Elements and Cabin Filter Elements have become key components of modern vehicles.
Modern vehicles mainly rely on two air filtration systems:
The engine air intake system filters incoming air before it enters the combustion chamber.
Its main functions are:
* Removing dust and particulate contaminants;
* Protecting engine components;
* Improving combustion efficiency;
* Extending engine service life.
The cabin air system filters outside air before it enters the passenger compartment.
It helps remove:
* PM2.5 particles;
* Pollen and allergens;
* Bacteria and microorganisms;
* Dust and airborne pollutants.
This system directly affects:
* Passenger comfort;
* In-car air quality;
* Driving experience;
* Health protection.
All product lines support:
* OEM / ODM development
* Customized structures
* Functional filtration design
* Sample development
* Finished filter production
Engine Air Filter Elements are used in automotive engine intake systems to prevent dust and contaminants from entering the engine.
Key advantages:
✔ High filtration efficiency
✔ Low intake resistance
✔ Large dust holding capacity
✔ Stable airflow performance
✔ Long service life
Available structures:
Applications:
* Passenger cars
* Commercial vehicles
* Agricultural machinery
* Construction equipment
* OEM engine systems
Cabin filter elements are used in HVAC systems to purify incoming air before it enters the passenger compartment.
Available products:
Using impregnation technology, antibacterial agents are uniformly bonded onto fiber surfaces.
Features:
* Stable antibacterial performance
* Good air permeability
* Long-lasting effectiveness
Designed to reduce airborne allergens.
Features:
* High pollen filtration efficiency
* Excellent allergen removal
* Comfortable cabin environment
Designed for urban environments with high pollution levels.
Features:
* PM2.5 removal efficiency >95%
* Multi-layer filtration structure
* Low pressure drop
* High dust holding capacity
Combines:
* PM2.5 filtration
* Anti-bacterial treatment
* Anti-allergy function
* Odor control
Suitable for premium vehicle HVAC systems.
|
Cabin Filter Media |
|
|
Item |
Typical Value |
|
PM2.5 Efficiency |
>95% |
|
Initial Pressure Drop |
≤30 Pa |
|
Operating Temperature |
-40℃ ~ 85℃ |
|
Structure |
Multi-layer Composite |
|
Functional Treatment |
Optional |
A global automotive filtration customer required:
* PM2.5 efficiency >95%
* Low pressure drop
* High dust holding capacity
* Stable long-term supply
BiaoDian optimized:
* Meltblown fiber diameter;
* Composite layer structure;
* Air permeability balance.
Results:
✔ PM2.5 efficiency >95%
✔ Reduced pressure drop
✔ Excellent batch consistency
The project has been supplied continuously for years.
A global automotive filtration company required engine air filter media with:
* High dust holding capacity
* Low airflow resistance
* Long service life
BiaoDian optimized:
* Fiber composition
* Hot-press process
* Pleat structure compatibility
Results:
✔ Filtration efficiency ≥99%
✔ Stable airflow performance
✔ Reliable mass production
BiaoDian has extensive experience in supplying automotive filtration materials for global markets.
Our products are used in:
* Automotive filter manufacturers
* OEM vehicle projects
* Electric vehicle projects
* HVAC system suppliers
* Industrial filtration applications
We support:
✔ OEM projects
✔ Long-term supply programs
✔ Customized filtration solutions
✔ Global market requirements
BiaoDian provides:
* Filter media roll goods
* Finished filter elements
* OEM & ODM services
* Functional media development
* Sample testing
* Customized structures
Manufacturing advantages:
✔ Stable production capacity
✔ Strict quality control
✔ Fast sample development
✔ Consistent batch performance






Recommended intervals:
* Urban driving: 10,000 km
* Heavy pollution areas: 8,000 km
* Highway driving: 15,000 km
Replace immediately if:
* Airflow becomes weak;
* Unpleasant odors appear;
* Cabin dust increases;
* Windshield fogging becomes frequent.
Recommended intervals:
* Normal environment: 15,000–20,000 km
* Dusty environment: within 10,000 km
* Heavy-duty vehicles: according to operating conditions
Possible reasons:
* High PM2.5 environment;
* Dust accumulation in HVAC systems;
* Insufficient dust holding capacity;
* Long replacement intervals.
Possible reasons:
* Excessive dust accumulation;
* Improper filter structure;
* High humidity environment;
* Delayed filter replacement.
Recommended solutions:
✔ Choose high dust holding media;
✔ Inspect filters regularly;
✔ Select the correct filtration grade for different applications.
Compared with ordinary suppliers, BiaoDian offers:
* Focus on automotive filtration materials;
* Dual coverage of Engine and Cabin systems;
* Functional media development capability;
* OEM and aftermarket support;
* Stable mass production;
* International project experience.
Whether you are developing engine air filters or upgrading cabin air filtration systems, BiaoDian provides complete Automotive Filter Media Solutions, OEM customization, and long-term manufacturing support.
Contact us today to discuss your automotive filtration project and discover how BiaoDian can help improve your filtration performance and product competitiveness.