RS Refractory Group | China Refractory Brick & Castable Manufacturer

About RS Refractory Group

Zhengzhou RongSheng Refractory Co., Limited, established in 2003, is a comprehensive enterprise integrating technology, industry, and trade. Located in Zhengzhou, Henan Province, China, our factory operates in Xinmi City, producing high-performance refractory materials for global markets.

We specialize in both shaped and unshaped refractories, including fused cast AZS bricks, mullite, zircon, alumina bubble bricks, ramming masses, sealing materials, and more. Our products are trusted in glass furnaces, steel ladles, cement kilns, petrochemical plants, and other high-temperature industrial environments.

Over 20 Years of Industry Experience

Exported to Over 50 Countries

$RS Refractory Factory$

Our Product Range

High-performance refractory materials engineered for durability, thermal stability, and chemical resistance in extreme industrial conditions.

Zirconium Silicate Powder

High-purity zirconium silicate used in advanced ceramics, refractories, and foundry applications.

• High melting point
• Excellent thermal shock resistance
• Low thermal expansion

White Fused Alumina (WFA)

High-alumina abrasive and refractory raw material with superior hardness and purity.

• Al₂O₃ content > 98%
• High bulk density
• Ideal for castables and linings

High Alumina Bricks

Durable bricks with alumina content from 55% to 90%, suitable for high-temperature zones.

• Resistant to slag attack
• Low porosity options
• Used in kilns and furnaces

Magnesia Brick Series

Basic refractory bricks made from fused magnesia, ideal for alkaline environments.

• High MgO content
• Excellent corrosion resistance
• Steel and cement industry use

$Refractory Castables$

Refractory Castables

Unshaped refractories including low cement, ultra-low cement, and steel fiber reinforced types.

• Easy installation
• High strength after curing
• Thermal shock resistant

Insulating Fire Bricks

Lightweight bricks with low thermal conductivity for energy-efficient furnace linings.

• Alumina bubble & diatomite types
• Reduce heat loss
• Available in various shapes

Ceramic Fiber Blanket

Flexible, high-temperature insulation material in standard, high-purity, and zirconia-enhanced grades.

• Up to 1430°C service temp
• Low thermal storage
• Easy to install

Fused Mullite

High-performance raw material with excellent thermal stability and creep resistance.

• 3Al₂O₃·2SiO₂ composition
• Used in premium castables
• Low expansion coefficient

Corundum Brick

High-density bricks made from sintered or fused corundum for extreme wear and corrosion resistance.

• >94% Al₂O₃
• High mechanical strength
• Ideal for cyclones and risers

Spinel Brick

Magnesia-alumina spinel bricks offering superior thermal shock and slag resistance.

• Resists FeO and CaO
• Used in cement rotary kilns
• Long service life

Activated Alumina Powder

Highly reactive alumina used as a binder and reactive filler in castables and mortars.

• High surface area
• Enhances sintering
• Improves green strength

Special Shaped Fire Bricks

Custom-designed bricks for complex furnace geometries and specialized applications.

• CNC precision molding
• Tailored to client specs
• High dimensional accuracy

View All Products

Why Choose RS Refractory Group?

Quality Guaranteed

ISO-compliant manufacturing with strict quality control from raw materials to final shipment.

Fast Delivery

Efficient logistics network ensures timely delivery to over 50 countries worldwide.

Global Trust

Trusted by leading industrial companies in steel, cement, glass, and petrochemical sectors.

Technical Support

Expert engineering team available for product selection, installation guidance, and troubleshooting.

Frequently Asked Questions

What types of refractory bricks do you manufacture?

We produce a wide range including high alumina, fire clay, magnesia, zircon, corundum, chrome corundum, spinel, and special-shaped bricks for various industrial applications.

Can you provide custom-shaped refractories?

Yes, we offer custom design and manufacturing of special-shaped bricks and castables based on client drawings and specifications.

What is the minimum order quantity?

MOQ varies by product type. We accommodate both small trial orders and large-scale industrial contracts. Contact us for details.

Do you offer technical support for installation?

Yes, our technical team provides guidance on proper installation, curing, and drying procedures to ensure optimal performance.

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