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Advanced Refractory Solutions for High-Temperature Industries

Since 2004, Zhengzhou Kerui (Group) Refractory Co., Ltd has delivered ISO9001-certified refractory bricks, insulation materials, and monolithic solutions worldwide.

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About Kerui (Group)

A comprehensive modern enterprise integrating production, research, design, and technical solutions for refractory materials since 2004.

Refractory Castable

Zhengzhou Kerui (Group) Refractory Co., Ltd

  • ISO9001, ISO14001, OHSAS18001 Certified
  • Alibaba Verified Supplier by SGS
  • Patent Holder: Special Refractory Brick for Carbon Baking Furnace
  • Independent Import & Export Rights
  • KRNC Registered Trademark in China

With over 18 years of experience and 200+ employees, we serve 100+ partners globally with reliable, high-performance refractory solutions.

3000+
Square Meters Workshop
200+
Employees
100+
Partners
18+
Years Experience

Our Products

High-performance refractory materials engineered for extreme industrial environments.

Refractory Ceramic Fiber Blanket

Refractory Ceramic Fiber Blanket

Lightweight, high-temperature insulation with excellent thermal stability and low heat storage.

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JM23 Insulation Brick

JM23 Insulation Brick

Low thermal conductivity, high strength insulation brick ideal for kiln linings and furnace walls.

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Forsterite Brick

Forsterite Brick

Magnesium silicate-based refractory with excellent resistance to thermal shock and corrosion.

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High Alumina Refractory Cement

High Alumina Refractory Cement

70% alumina content, high-density cement for extreme temperature applications and structural linings.

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Mullite Castable

Mullite Castable

High-strength, abrasion-resistant monolithic refractory for kilns, boilers, and incinerators.

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Andalusite Brick

Andalusite Brick

High thermal shock resistance and dimensional stability under repeated heating cycles.

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Alumina Insulation Brick

Alumina Insulation Brick

Low thermal conductivity with high alumina content for efficient heat retention.

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Ceramic Fiberboard

High-Temp Ceramic Fiberboard

Rigid boards with excellent insulation properties and resistance to thermal spalling.

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Why Choose Kerui Group?

We deliver unmatched quality, innovation, and value in every refractory solution.

Manufacturer Direct

Full control over raw materials and manufacturing ensures consistent quality and customization.

ISO9001 Certified

All products meet international quality standards for performance and reliability.

Factory Pricing

Eliminate middlemen — get premium refractories at competitive direct prices.

Custom Solutions

Tailored technical support and product development for unique industrial needs.

Our Factory Excellence

State-of-the-art facilities ensure precision, consistency, and on-time delivery.

Automatic Batching

Computer-controlled systems ensure precise material proportioning and consistent product performance.

Forming Workshop

12 sets of 400t CNC presses and 2 sets of 1000t hydraulic presses for superior dimensional accuracy.

Firing Workshop

Four 168m auto-controlled gas tunnel kilns with 500 tons/day capacity for reliable supply.

Storage & Logistics

3000m² integrated warehouse for quality inspection, packaging, and global shipping.

Frequently Asked Questions

What types of refractory bricks do you manufacture?

We produce alumina bricks, magnesia bricks, corundum bricks, silica bricks, carbon bricks, and insulation bricks including mullite and alumina variants.

Are your products ISO certified?

Yes, we comply with ISO9001, ISO14001, and OHSAS18001 quality management systems. We are also Alibaba Verified by SGS.

Can you provide custom refractory solutions?

Absolutely. We offer technical support, R&D collaboration, and customized product development for specific industrial applications.

What is your production capacity?

Our firing workshop includes four 168m tunnel kilns with a combined capacity of 500 tons per day, ensuring timely delivery.

Get in Touch

Contact us for product inquiries, pricing, or technical support.

[email protected]
+86 181 0381 7770
+86 181 0381 7770
Chaohua Industrial Area, Xinmi City, Henan, China
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