Mullite sand powder rotary kiln production line site

Dedicated to R&D · Precision-engineered refractory materials

Annual production of 10 tons of premium mullite sand/powderComprehensive coverage with precision casting production compatibility

Based in Huairen City, Shanxi Province—the Northern Porcelain Capital—we are a modern refractory materials enterprise integrating R&D, manufacturing, and sales. Leveraging high-quality kaolin resources from northern Shanxi and surrounding regions, we deliver innovative solutions for the industry.

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10 tonsAnnual capacity of mullite sand/powder

3 CategorySand / Powder / Graded Product Series

Full SpecificationsCommon granularity and fineness coverage

TraceableBatch Retention and Outbound Testing

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Yanyan Brand Mullite Sand/Powder, supplied in matched sets by particle size and fineness.

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Mullite Sand Series

Premium Mullite Sand (M70)

High-purity calcined mullite sand, available in customizable particle sizes to meet precision casting requirements.

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Mullite Sand Series

Premium Mullite Sand (M60)

General-purpose castable mullite sand, balancing refractory performance and cost-effectiveness.

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Mullite Powder Series

Mullite Fine Powder (325 Mesh)

Fine particle size and excellent dispersion; ideal for precision casting shell facing layers and ceramic formulations.

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Mullite Powder Series

Mullite Fine Powder (200 Mesh)

General fine powder for refractory castables and ceramic bodies.

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Application Areas

Refractory material solutions tailored for five high-temperature industrial scenarios

$Crucible and匣钵 applications — Refractory substrate for high-temperature load-bearing components$

Crucible匣钵

Refractory base material for high-temperature load-bearing components

Formulation and fabrication for crucibles, saggers, and other high-temperature load-bearing components, with a focus on thermal stability and thermal shock resistance.

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$Applications of Investment Casting Stainless Steel Valves — Refractory Materials for Shell Facing and Backing Layers$

Stainless Steel Valves for Investment Casting

Refractory materials for shell face and back layers

Facing coat and shell formulation for investment casting of stainless steel valves, focusing on shell strength and casting surface quality.

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Automotive engine block

Casting Molding Materials & Accessories

Foundry material formulation for engine blocks and other castings, ensuring high-temperature stability and batch-to-batch consistency.

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Industrial Kiln Liners and Metallurgical Applications — Mix Design for Castable Liners and Prefabricated Components

Industrial Kiln Linings and Metallurgy

Lining castable and precast mix design

Supplies aggregates and fine powders for castables, preforms, and refractory materials used in industrial furnace linings and metallurgy.

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Ceramic

Ceramic Body and Kiln Furniture Formulation

For ceramic body formulations and kiln refractory products, focusing on purity and firing stability.

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Case Center

Real-world supply case studies demonstrating product compatibility

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Mullite Powder for Investment Casting Shells in Stainless Steel Valve Production — Precision Foundry Enterprises in North China

Stainless Steel Valves for Investment Casting

Mullite powder for investment shell casting of stainless steel valves

Face powder and back-layer sand supplied as a complete set, with grading adjusted to match the customer's shell-making process.

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$Mullite aggregate and fine powder sets for匣钵 product base materials — Refractory products manufacturer$ Crucible匣钵

Matching mullite aggregates and fine powders for匣钵 product bases

Provides a complete gradation of aggregates and fine powders based on product manufacturing processes, ensuring stable forming and firing performance.

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Mullite Sand Supply for Engine Block Casting Molds — Automotive Parts Foundry

Automotive engine block

Supply of mullite sand for molding material in engine block casting.

General-purpose mullite sand stable mass production molding material, meeting particle size grading requirements.

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About Us

Dedicated to material research, precision-engineered refractory materials.

Brand: Yan Yan
Location: South Huaili Street, Yunzhong Subdistrict, Huairun City, Shuozhou City, Shanxi Province
Annual Production Capacity: 10 tons
Business Model: R&D · Manufacturing · Sales

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News & Updates

Corporate News & Industry Insights

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Image: Stable operation of 10 ktpa mullite sand powder production line

Company News2026-09-18

10ktpa mullite sand powder production line operates stably

Leveraging high-quality kaolin resources in northern Shanxi and surrounding areas, the company maintains stable production of its mullite sand and powder lines while continuously enhancing full-specification supply capacity.

Illustration for Quality Control Laboratory Testing Capabilities Enhancement

Quality & R&D2026-07-02

Enhanced quality inspection laboratory testing capabilities

Refine laboratory testing for chemical composition and fire resistance to ensure controlled outgoing product specifications.

Image showing process exchange with a foundry company

Company News2026-05-21

Conduct process exchanges with casting enterprises

Conducted technical exchanges with multiple foundries regarding particle size distribution requirements for shell facing powders and molding materials.

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137-7999-0006；135-0978-0008South Huaili Street, Yunzhong Subdistrict, Huairun City, Shuozhou City, Shanxi ProvinceMonday to Saturday 08:00 - 18:00

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