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Premium Industrial Filtration Solutions

Riqi (Hangzhou) Filter Technology Co., Ltd. – ISO9001 certified manufacturer since 2012. Delivering high-performance dust and liquid filter bags, cloths, and filtration systems for global industries.

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About Riqi Filter

A trusted name in industrial filtration since 2012, delivering reliable, high-efficiency filter solutions to industries worldwide.

Riqi (Hangzhou) Filter Technology Co., Ltd.

Since 2012, we have been committed to excellence in filtration technology. Our ISO9001 certification reflects our dedication to quality control, advanced manufacturing, and customer satisfaction. We specialize in dust and liquid filtration products used across diverse industrial sectors.

With a professional design team and state-of-the-art machinery, we offer both standard and customized filtration solutions tailored to your operational needs.

  • ISO9001 Certified Manufacturer
  • In-House R&D and Testing Lab
  • Global Export Experience
  • Customization & Bulk Packaging
Filter Cloth Dust Collector Bags Wastewater Filter Anti-Acidic Filter Cloth

Our Core Advantages

Why global clients trust Riqi Filter for their critical filtration needs.

High Quality

ISO9001 certified with strict quality control and professional testing lab. RoHS compliant and supplier-assessed.

Advanced Manufacturing

Equipped with automated machinery and precise process control systems for consistent, high-volume production.

Custom Development

In-house design team ready to collaborate on developing tailored filtration solutions for unique applications.

100% Service

Flexible packaging, global shipping (FOB, CIF, DDP), and responsive support for all your filtration concerns.

Our Products

Comprehensive range of industrial filtration products designed for durability, efficiency, and performance.

PTFE Fiberglass Filter Cloth

PTFE Woven Fiberglass Filter Cloth

High-temperature resistant, anti-acidic dust collector filter fabric for harsh environments.

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Viscose Fiber Filter Cloth

Viscose Fiber Filter Cloth

Ideal for coolants, emulsions, and lubricants filtration in metalworking industries.

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Polyester PE Nonwoven Filter Cloth

Polyester PE Nonwoven Filter Cloth

Needle-punched, 2.2m wide cloth for durable liquid and dust filtration.

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1 Micron Nonwoven Filter Cloth

1 Micron Nonwoven Filter Cloth

High-efficiency filtration for central machinery dust collectors and fine particulate removal.

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Anti-Alkaline Wastewater Filter

Pile Micro Filter Cloth (Anti-Alkaline)

Specialized media for wastewater treatment with resistance to alkaline conditions.

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Anti-Acidic PPS/P84 Filter Cloth

PPS/P84 Anti-Acidic Filter Cloth

Needle-felt material with excellent resistance to acidic gases and high temperatures.

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Silicon Coating Stainless Steel Bag Filter

Durable solution for dust baghouse systems with enhanced heat and corrosion resistance.

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PE Ring Micron Polyester Filter Bags

1.6mm thickness liquid filter bags for oil, water, and chemical filtration applications.

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Why Choose Riqi Filter?

Industrial-Grade Materials

We use premium fibers like PPS, P84, PTFE, polyester, and fiberglass for maximum durability and chemical resistance.

Rigorous Quality Control

Every product undergoes strict testing in our in-house lab to ensure compliance with ISO9001 and industry standards.

Global Export Ready

Experienced in international logistics with FOB, CIF, DDU, and DDP shipping options to serve clients worldwide.

Customization Available

Custom sizes, materials, micron ratings, and packaging to meet your exact operational requirements.

High Filtration Efficiency

Engineered for optimal particle capture, low pressure drop, and extended service life.

Dedicated Support

Responsive communication and technical assistance to help you select and implement the right solution.

2012
Founded
ISO
9001
Certified
50+
Countries Served
1000+
Products

Frequently Asked Questions

What materials do you use for dust filter bags?

We manufacture dust filter bags using polyester, polypropylene, PPS, P84, aramid, fiberglass, and PTFE-based materials, depending on temperature, chemical exposure, and filtration requirements.

Can you customize filter bags to our specifications?

Yes, we offer full customization including size, micron rating, seam type, top/bottom configuration, and material selection. Our R&D team works closely with clients on special projects.

What industries do you serve?

Our products are used in cement, steel, power generation, chemical processing, pharmaceuticals, food & beverage, wastewater treatment, and metalworking industries.

Do you provide samples?

Yes, we can provide product samples upon request. Please contact us with your requirements and shipping details.

What certifications do you hold?

We are ISO9001:2008 certified. Our products comply with RoHS standards, and we undergo regular supplier capability assessments.

Get in Touch

Ready to discuss your filtration needs? Contact us for pricing, samples, or technical support.

Miss. Wendy
wendy@hzriqi.com
+86-17815613488
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