CE Certification Rooftop Air Filter Manufacturer & Factories

Global Leader in Industrial Air Filtration Solutions & Advanced Cleanroom Technology

Guangzhou LJF Air Purification Equipment Co., Ltd.

Guangzhou LJF is a fast-growing manufacturer of air filtration solutions located in Guangzhou, southern China, only 10 kilometers from Guangzhou Baiyun Airport. Our strategic location enables us to efficiently serve domestic and international customers.

We pride ourselves on providing a comprehensive range of air filtration products that meet the diverse needs of a wide range of industries, including electronics manufacturing, semiconductor production, liquid crystal display (LCD) technology, bio pharmaceuticals, food processing, petrochemicals, clean rooms, hospitals, rail transit systems, paint booths, and commercial and residential buildings.

Over the years, we have built strong partnerships with more than 100 customers in more than 30 countries, becoming a trusted supplier of high-quality air filters. Our commitment to excellence and customer satisfaction is the cornerstone of our success, enabling us to provide effective air filtration solutions that meet our customers' stringent requirements.

Guangzhou LJF Factory Overview

🌐 Global Industrial Trends & Manufacturing Excellence

Navigating modern HVAC compliance, rooftop air filtration demands, and China's industrial manufacturing power.

Global Rooftop Air Filtration Landscape

In modern commercial complexes, data centers, and manufacturing plants, rooftop HVAC units (Packaged Rooftop Units) represent the frontline of environmental control. Global stringent regulations—such as ISO 16890, EN 1822, and CE directives—mandate rigorous filtration efficiency to combat urban particulate matter (PM2.5, PM10) and airborne pathogens.

Procurement directors worldwide face dual pressures: lowering lifecycle energy consumption while maintaining ultra-clean indoor air quality (IAQ). Certified rooftop air filters act as critical barriers, protecting expensive mechanical cooling coils from dust fouling while ensuring safe indoor recirculation.

Why Source from China's Advanced Factories?

China's Pearl River Delta, anchored by manufacturing powerhouses like Guangzhou, provides an unrivaled ecosystem for air filtration production. Proximity to international aviation hubs, advanced automated media-pleating lines, and rigorous internal quality control protocols allow factories like LJF to offer unmatched economies of scale.

By blending precision engineering with cost-effective material sourcing, Chinese manufacturers deliver CE-certified rooftop air filters that rival Western counterparts in durability and filtration precision—while significantly optimizing operational budgets for international distributors and contractors.

🏆 Why Choose Us?

Guangzhou LJF is a trusted air filter supplier with over 10 years of industry experience, delivering robust, tailored cleanroom and HVAC solutions.

01
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.
02
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.
03
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, ensuring optimal performance.
Air Filter Manufacturing Facility Quality Control Testing

⚙️ Advanced Production Process

At Guangzhou LJF, we recognize that each customer has unique needs. We provide customized solutions from raw material preparation to strict final delivery.

Material preparation
Material Preparation
Unpack
Unpack
Carding
Carding
Roll up
Roll Up
Hardware processing
Hardware Processing
Electric welding
Electric Welding
Assemble
Assemble
Shipment
Shipment
warehouse
Warehouse Storage

Trusted By Major Brands!

Get Our Premium Filtration Products At Factory Prices.

Partner Brand
Partner Brand
Partner Brand
Partner Brand
Partner Brand
Partner Brand

A Customer-Centered Approach

Customer-Centered Service

Service Philosophy

Our customer-oriented service philosophy ensures that we work closely with you to find the best solution for all your air filtration needs.

Customized Service

Whether you need a standard model or a custom product, our dedicated team will help you every step of the way from prototype to mass production.

Win-Win Cooperation

We believe that our success is closely linked to your success and we are committed to building mutually beneficial relationships with our global customers.

❓ Frequently Asked Questions (FAQ)

Expert insights into CE certified rooftop air filters, custom manufacturing, and global logistics.

💡 What standards do your rooftop air filters meet?
Our rooftop air filters comply with rigorous international standards including ISO 16890, EN 1822, and carry CE certifications. They are designed to meet strict efficiency classes from G3/G4 pre-filters to H13/H14 HEPA grades.
💡 Can Guangzhou LJF customize filters for specific HVAC dimensions?
Yes! With over 10 years of manufacturing experience, we specialize in OEM/ODM custom solutions. We can tailor dimensions, frame materials (aluminum, galvanized steel, cardboard), and media efficiency to match your exact rooftop unit specs.
💡 What is the typical lead time for international bulk orders?
Located in Guangzhou, just 10 km from Baiyun Airport, our logistics network is highly efficient. Standard orders typically ship within 7 to 15 business days depending on order volume and customization requirements.
💡 How do rooftop air filters help reduce operational costs?
High-performance filtration prevents particulate buildup on HVAC heating and cooling coils, maintaining optimal thermal transfer efficiency. This significantly lowers energy consumption and reduces HVAC maintenance or replacement frequency.