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.

View Product Center Get Product Solution

10 tonsAnnual capacity of mullite sand/powder

3 CategorySand / Powder / Graded Product Series

Full SpecificationsCommon granularity and fineness coverage

TraceableBatch Retention and Outbound Testing

Product Center

View All Products

Premium Mullite Sand (M70)

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

Premium Mullite Sand (M45)

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

Mullite Fine Powder (325 Mesh)

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

Mullite Fine Powder (200 Mesh)

General fine powder for refractory castables and ceramic bodies.

Application Areas

Applications of Mullite Sand Powder: Industrial valves, impeller blades, engine blocks, automotive mechanical components, aircraft engines, and shuttle kilns.

Qualifications & Quality

Provide batch-wise chemical composition and refractory performance test data.
Supports customer formula-based supply to reduce on-site batching.
Three major product series: Sand, Powder, and Graded Aggregate. Full range of common specifications available.

View Company Qualifications

Business License

Quality Management System Certification

Occupational Health and Safety Management System Certification

Environmental Management System Certification

Case Center

View all cases

About Us

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

Learn more

News & Updates

View All Activity

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.

137-7999-0006；135-0978-0008sxtycl2026@163.comSouth Huaili Street, Yunzhong Subdistrict, Huairun City, Shuozhou City, Shanxi ProvinceMonday to Saturday 08:00 - 18:00

WeChat QR Code

View Contact Information