Fused Cast AZS Bricks for Glass Furnaces

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Product Range

Fused Cast AZS Series

Core refractories for glass contact areas. Feature superior corrosion resistance, low contamination, and long service life. Available in AZS-33#, 36#, and 41#.

Fused Cast Alumina Bricks

High‑purity α‑β Alumina and β‑Alumina bricks. Superior resistance to glass corrosion at high temperatures, low porosity, and excellent thermal shock stability. Ideal for superstructure and feeder channels.

Glass Furnace Parts & Accessories

We also supply complementary furnace components: feeder expendables, orifice rings, stirrers, and customized zirconia-based shapes. Designed for seamless compatibility with our fused cast blocks.

Engineering Support & Furnace Assembly

Mature assembly plans and optimized installation methods developed from decades of project experience. We help improve overall construction quality and reduce on‑site risks.

Main Products

Fused Cast AZS Bricks
Fused Cast α-β Alumina Bricks
Glass Furnace Parts & Accessories
Furnace Project Cases
Fired Refractory Bricks
Castables & Ramming Mixes
Mortar & Joint Materials
Insulating Bricks & Boards

ABOUT US

AZS Refractory Specialist for Glass Furnaces

Zhengzhou Chaoyu Refractories Co., Ltd. is based in Chaohua Town Industrial Park, Xinmi City, Henan Province — one of China’s core refractory manufacturing hubs. We specialize in the R&D, production, and sales of high-performance fused cast AZS (alumina-zirconia-silica) blocks, serving glass industrial furnaces worldwide.

With over a decade of expertise, Chaoyu delivers purpose-engineered AZS solutions characterized by excellent heat resistance, strong glass corrosion resistance, and long-term dimensional stability. Backed by independent patented technologies, advanced production processes, and a rigorous multi-stage quality control system, our blocks consistently perform in the most demanding furnace environments — helping to extend furnace campaigns and improve your operational productivity.

Years+

Focused experience in fused cast AZS for glass furnaces

Patents+

Independently developed proprietary technologies

Tons+

Annual capacity across three fused cast corundum production lines

VIDEOS

Your Integrated Partner for Fused Cast AZS — from R&D and Production to Final Delivery

*Specialized in glass furnace refractories. We manage the entire chain: formula engineering, precision melting, rigorous 6-stage QC, and global logistics.*

Dedicated AZS R&D & Technical Expertise

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Our in-house R&D team — senior refractory experts, process engineers, and young technical talent — focuses exclusively on fused cast AZS. With 30+ independent patented technologies, we continuously optimize formulas for glass corrosion resistance, low stoning, and extended block life.

Precision Electric Arc Furnace Melting & Quality Control

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Three dedicated fused cast corundum lines with 20,000+ tons annual capacity. Every heat is monitored in real time, and every block passes our 6-stage QC — from raw material re‑check to 100% ultrasonic NDT — ensuring internal soundness and dimensional accuracy.

Scalable Capacity & Flexible Specification Range

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Our production lines can handle AZS block weights from under 100 kg to over 3 tons, in standard and custom geometries. Whether you need a single trial block or regular bulk shipments for a furnace rebuild, our annual capacity of 20,000+ tons ensures on-time delivery without compromise on quality.

End-to-End Engineering Support

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We don't just ship blocks. Our technical team assists with grade selection based on furnace zone requirements, provides installation guidance, and can support post-installation performance reviews. Your furnace's campaign goals become our engineering targets.

Why Choose Chaoyu for Your AZS Blocks Four pillars built on over a decade of focused fused cast AZS manufacturing