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TWC Catalyst

Wuxi Weifu Environmental Catalysts

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Premium TWC & SCR Catalysts for Global Emission Control

Wuxi Weifu Environmental Catalysts Co., Ltd. is a leading Chinese manufacturer of high-efficiency catalytic converters and emission control solutions for automotive, diesel, natural gas, and industrial applications.

TWC Catalyst Product
Catalyst Manufacturing

About Wuxi Weifu Environmental Catalysts

Founded in 2018, Wuxi Weifu Environmental Catalysts Co., Ltd. (formerly Wuxi Grace Environmental Technology) is a leading supplier of environmental catalyst technology in China. We specialize in R&D, manufacturing, and engineering services for emission control solutions.

By mid-2021, we had delivered a wide range of catalysts for various applications and provided engineering solutions to end users across China, the United States, Japan, Germany, Malaysia, and other global markets. Our products are widely applied in reducing emissions from automotive, industrial, and power generation systems.

23+
Years Export Experience
10+
Years OEM Experience

Our Core Products

High-performance catalytic solutions for automotive, diesel, natural gas, and industrial emission control. All products meet Euro 4, 5, 6 and EPA standards.

GPF Gasoline Particulate Filter

GPF Gasoline Particulate Filter

Reduces PM and PN emissions from gasoline engines. Regeneration-capable design for long service life.

  • • 300–600 CPSI options
  • • Euro 6 compliance
  • • Pt/Pd/Rh coating available
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Motorcycle Catalyst

Motorcycle Catalyst

Compact and efficient catalytic converters for 2- and 3-wheelers. Meets Euro IV/V standards.

  • • Metallic or cordierite substrate
  • • 250–300 CPSI
  • • Pt/Pd/Rh noble metal coating
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DOC Diesel Oxidation Catalyst

DOC Diesel Oxidation Catalyst

Oxidizes CO, THC, and NO to NO₂. Ideal for diesel engines and power generators.

  • • 400 CPSI standard
  • • Round, oval, racetrack shapes
  • • Tier 3/4 EPA compliant
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Universal Catalyst Euro 4-6

Universal Catalyst Euro 4-6

High-efficiency three-way catalysts for gasoline engines. Compatible with OBD systems.

  • • 200–400 CPSI options
  • • ISO9001 certified
  • • SUS409 stainless steel housing
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TWC Three Way Catalyst

TWC Three Way Catalyst

Simultaneously reduces CO, HC, and NOx emissions from gasoline engines.

  • • 100–600 CPSI
  • • Pt/Pd/Rh formulation
  • • Euro 4–6 compliant
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Natural Gas Catalyst

Natural Gas Catalyst

Oxidation catalysts for CNG/LNG engines in buses and industrial equipment.

  • • 300–600 CPSI
  • • High thermal stability
  • • Methane oxidation optimized
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DPF Diesel Particulate Filter

DPF Diesel Particulate Filter

Traps and regenerates soot particles from diesel exhaust. Cordierite or SiC materials.

  • • Euro V/VI compliant
  • • Passive & active regeneration
  • • High filtration efficiency
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SCR Catalyst

SCR Catalyst

Selective Catalytic Reduction modules for NOx reduction using urea (AdBlue) injection.

  • • Fe-zeolite or Cu-zeolite
  • • 300–750 CPSI
  • • NH₃ slip catalyst optional
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Core Competencies

Backed by over a decade of OEM experience and advanced manufacturing capabilities.

Production Capability

  • • 10+ production lines
  • • Annual output: ~$100M
  • • Full washcoat & coating process
  • • Cordierite & metallic substrates

OEM & Customization

  • • OEM service available
  • • 10+ years OEM experience
  • • Custom shapes & sizes
  • • Pt/Pd/Rh ratio optimization

Global Trade

  • • 23 years export experience
  • • Shipped to 50+ countries
  • • ISO9001 certified
  • • Multilingual support
140+
Product Models
50+
Countries Served
10+
Years OEM Experience
$100M
Annual Output

Frequently Asked Questions

What catalysts do you manufacture?

We produce TWC, SCR, DOC, DPF, GPF, VOC, motorcycle, diesel engine, and natural gas catalysts. We also offer universal Euro 4–6 models and custom OEM solutions.

Do you offer OEM services?

Yes, we have over 10 years of OEM experience and can customize catalysts in terms of size, shape, CPSI, and noble metal loading (Pt/Pd/Rh).

What certifications do you have?

Our factory is ISO9001 certified. Our products meet Euro 4, 5, 6 and EPA Tier 3/4 standards.

How can I request a quote?

Visit twccatalyst.com to submit your requirements or contact our sales team directly through the website.

Get in Touch

For product inquiries, quotes, or technical support, visit our official website to connect with our team.

Phone: +86-510-68578918

Email: [email protected]

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