PROFESSIONAL AIR FILTER MANUFACTURER
Clean Air
For A Healthier World
Industrial air filtration solutions for spray booths,
HVAC systems, cleanrooms and more.
Height Quality
quality control
Height Quality
quality control
Height Quality
quality control
High Quality
ISO 9001
OEM/ODM
Custom Solutions
Global Export
30+ Countries
3,000+ Customers
Worldwide
Cleaner Environment
Our Commitment
Our Products
Products Categories
Reliable filtration. Wider applications. Custom solutions.
Spray Booth Filters
Pocket / Bag Filters
Panel & Pleated Pre-Filters
HVAC Air Filters
HEPA Filters
Air Filter Media
Hot Products
Reliable filtration. Wider applications. Custom solutions.
APPLICATIONS
Cleaner Air for Every Industry
Painting/Coating Industry
Commerical & Public Building
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
QUALITY & CERTIFICATIONS
International Standards Trusted Quality
Our products are manufactured in accordance with international
requirements, including ISO 9001, CE, RoHS, EN779 and ISO 16890.
Why Choose Us
Delivering high-performance air filters and factory-direct solutions for global industrial applications.
Direct Factory Manufacturer
Operating our own advanced production facility in Guangzhou, we eliminate middlemen to offer highly competitive pricing. With robust manufacturing capacity, we ensure stable supply and fast turnaround times for bulk orders.
Engineered for Performance
All LJF filters are strictly tested to meet global standards including ISO 16890, EN 1822 (H13/H14), and ASHRAE 52.2. Using precision laser counters, we validate efficiency and dust capacity to ensure optimal airflow and maximum equipment protection.
OEM & ODE
Industrial environments demand specific solutions. We provide complete OEM/ODM services, customizing dimensions, efficiency ratings, and frame materials to perfectly match your specific HVAC or paint booth systems.
Global Market Experience
We understand the complexities of international trade. With extensive experience exporting across Southeast Asia, Europe, and global markets, our team handles professional packaging, reliable shipment coordination, and documentation to ensure safe, on-time delivery.
Get in Touch
At LJF, we are committed to delivering high-quality industrial air filters, fast response, and dependable service for global customers.