About Us

about

Guangzhou LJF

Guangzhou LJF is a vertically integrated manufacturer of industrial air filtration solutions, strategically located just 10 kilometers from Guangzhou Baiyun International Airport in southern China. This prime location — at the heart of the Pearl River Delta manufacturing hub — enables efficient logistics and rapid international shipping for our partners worldwide.
We control the full production lifecycle under one roof: from raw filter media rolling and meltblown production to precision frame assembly and finished filter testing. By eliminating outsourced steps, we deliver factory-direct pricing, consistent quality, and rapid OEM/ODM turnaround that pure trading companies cannot match.
Today, we serve over 3,000+ Customers Worldwide across 30+ countries. From bulk media supply for global distributors to custom HEPA systems for advanced cleanrooms, Guangzhou LJF is the trusted manufacturing backbone behind critical air filtration supply chains worldwide.

Integrity

Trust‑oriented cooperation with worldwide clients

Quality

Strict quality control & CE certification

Innovation

Continuous R&D & non‑standard customization

Service

Full‑cycle pre‑sales & after‑sales support

Our Capabilities

Guangzhou LJF is a trusted air filter supplier with over 10 years of industry experience. We pride ourselves on offering competitive pricing while maintaining high product quality, which can help you minimize maintenance costs. 
ljf ISO Certificate
LJF CE certificate

Why Partner With LJF Air Filter?

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.

Application scenarios

Guangzhou LJF is a trusted air filter supplier with over 10 years of industry experience. We pride ourselves on offering competitive pricing while maintaining high product quality, which can help you minimize maintenance costs. 

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Premium Air Filter Solutions

Our premium air filter products are crafted to enhance indoor air quality, lower maintenance expenses, and optimize the efficiency of HVAC systems. We are committed to delivering top-notch products that effectively tackle our clients' filtration needs.

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Competitive Pricing

One of our primary strengths is our competitive pricing, which we offer to our customers. We recognize the significance of delivering high-quality air filters at reasonable prices, and we work diligently to keep our pricing competitive without compromising product quality. This approach enables our customers to lower their maintenance expenses.

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Customized Solutions

As a trusted air filter supplier more than 10 years of industry filtration experience, we can provide custom filters to meet the specific air filtration needs of a variety of industrial and commercial applications. No matter how complex your system, our team of experts is committed to providing the best solution to meet your requirements.

Get in Touch

Send an Inquiry

At LJF, we are committed to delivering high-quality industrial air filters, fast response, and dependable service for global customers.