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Advanced Filtration Solutions for Industry

HL Filter Group delivers high-performance liquid and air filtration systems with over 30 years of innovation. Trusted by global leaders in chemical, pharmaceutical, food & beverage, and energy sectors.

About HL Filter

Hui Long Filtration Group is a global expert in high-tech filtration, separation, and purification. For over three decades, we have been committed to solving customer challenges and advancing health, safety, and environmental technology.

From upstream R&D to mass production, from pre-sales technical support to after-sales service, HL Filter not only provides high-tech products but also plays a pioneering role in innovative quality and overall filtration solutions.

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30+
Years of Expertise
5,000+
m² Factory Area
100+
Technical Team
10,000+
Global Clients

Our Products

Comprehensive filtration solutions for liquid and air applications across industrial sectors.

Liquid Filter Bags

Liquid Filter Bags

High-efficiency polypropylene and nylon bags for chemical, food, and pharmaceutical applications.

  • • Micron ratings: 1–200 μm
  • • Materials: PP, Nylon, PTFE
  • • FDA compliant options
Liquid Filter Cloth

Liquid Filter Cloth

Durable woven and non-woven cloths for industrial filtration processes.

  • • Woven monofilament & multifilament
  • • High tensile strength
  • • Acid & alkali resistant
Filter Housing

Filter Housing

Stainless steel and polypropylene housings for bag and cartridge filters.

  • • 1–4 bag configurations
  • • Pressure-rated up to 10 bar
  • • Sanitary & industrial designs
Air Filter

Air Filter

HEPA and activated carbon filters for cleanroom and industrial air purification.

  • • H12 to H14 HEPA efficiency
  • • Low airflow resistance
  • • Fire-retardant options
Filter Cartridge

Filter Cartridge

Pleated, melt-blown, and string-wound cartridges for liquid purification.

  • • 0.1–100 μm filtration
  • • PES, PP, PVDF materials
  • • High dirt-holding capacity
Dust Filter Bag

Dust Filter Bag

High-temperature resistant bags for dust collection in power and cement plants.

  • • PTFE, Nomex, PPS fabrics
  • • Up to 260°C resistance
  • • Anti-static & hydrophobic
Dust Bag Cage

Dust Bag Cage

Galvanized and stainless steel cages for supporting filter bags in dust collectors.

  • • Custom diameters & heights
  • • Corrosion-resistant coating
  • • High structural integrity
Nylon Monofilament Filter Cloth

Nylon Monofilament Cloth

Precision-woven nylon for fine particle retention in sensitive processes.

  • • 20–150 μm openings
  • • Excellent abrasion resistance
  • • FDA & USP Class VI compliant

Why Choose HL Filter?

We combine decades of engineering expertise with cutting-edge manufacturing to deliver reliable, high-performance filtration systems.

R&D Driven Innovation

Over 100 technical experts dedicated to material science and filtration efficiency improvements.

Industrial-Grade Manufacturing

5,000+ m² production facility with automated lines for consistent quality and scalability.

Global Compliance

Products meet ISO, FDA, USP, and CE standards for use in regulated industries worldwide.

Quality Assurance

Rigorous testing protocols including bubble point, tensile strength, and particulate retention.

Custom Solutions

Tailored filtration systems designed for your specific process requirements and flow rates.

Technical Support

End-to-end support from application analysis to installation and maintenance guidance.

30+
Years in Industry
10,000+
Clients Served
50+
Countries
200+
Patents

Frequently Asked Questions

What industries do you serve?

We serve chemical, pharmaceutical, food & beverage, biotechnology, power generation, automotive, microelectronics, and laboratory sectors globally.

Can you customize filter specifications?

Yes, we offer full customization for size, material, micron rating, gasket type, and performance testing to match your process needs.

Are your products FDA compliant?

Many of our liquid filtration products are FDA-compliant and meet USP Class VI standards for food, beverage, and pharmaceutical applications.

Do you provide technical documentation?

Yes, we provide full technical data sheets, certificates of conformance, material safety data sheets (MSDS), and validation support.

What is your production lead time?

Standard products ship in 7–14 days. Custom orders typically take 3–6 weeks depending on complexity and volume.

Get in Touch

For product inquiries, technical support, or custom solutions, visit our official website to contact the HL Filter team.

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