PROFESSIONAL AIR FILTER MANUFACTURER
Industrial Air Filtration Solutions for Global Applications
LJF manufactures air filters and filter media for spray booths, HVAC systems and cleanrooms, combining in-house production with custom solutions for global buyers.
Quality Assured
Factory Direct Supply
OEM & ODM
High Quality
ISO 9001
OEM/ODM
Custom Solutions
Global Export
30+ Countries
3,000+ Customers
Worldwide
10,000+ m²
Production Facility
Product Categories
Complete filtration solutions for industrial air quality applications.
Spray Booth Filters
Pocket / Bag Filters
Panel & Pleated Pre-Filters
HVAC Air Filters
HEPA Filters
Air Filter Media
Hot Products
Proven filtration products for demanding industrial applications.
APPLICATIONS
Cleaner Air for Every Industry
Painting/Coating Industry
Commercial & Public Buildings
Pharmaceutical & Chemical Industry
Electronics & Semiconductor Industry
Transportation Industry
New Energy Vehicles (NEV)
OUR FACTORY STRENGTH
Integrated Manufacturing From Media to Finished Filters
We manage key production stages in-house, ensuring
consistent quality, flexible customization and reliable delivery.
10,000+m²
Production Area
Advanced Equipment
Stable Capacity
Strict Quality Control
Reliable Performance
Why Choose Us
Engineered from media to finished filter, our solutions deliver the quality, flexibility and supply reliability industrial buyers depend on.
Direct Factory Manufacturer
Integrated in-house production helps ensure consistent quality, competitive pricing and reliable lead times.
Engineered for Performance
Filtration performance is tested for efficiency, airflow and application reliability.
OEM & ODM
Custom dimensions, efficiency grades, materials and configurations for different filtration systems.
Global Market Experience
Experienced in export packaging, documentation and shipment coordination for international customers.
QUALITY & CERTIFICATIONS
International Standards. Trusted Quality.
Our products are manufactured in accordance with international
requirements, including ISO 9001, CE, RoHS, EN779 and ISO 16890.
Send us your filter size, efficiency, quantity or application. Our team will recommend a suitable filtration solution.