How do you ensure product quality?

Products are strictly inspected before shipment, and we compensate for any quality issues not matching samples.

What certifications do you have?

We hold ISO9001, ISO45001, ISO14001 certifications and provide test reports.

What is the service life of the bricks?

Service life varies based on the brick type and your specific usage conditions and methods.

High Density Refractory Mullite Brick Mullite Fire Bricks High Quality Mullite Brick

Name: High Density Refractory Mullite Brick Mullite Fire Bricks High Quality Mullite Brick
Brand: ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
SKU: 1952748515

Henan, ChinaZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

US$300.00-750.00

1 Ton

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Feature

Long Time Materials, Instant Materials, Top Grade

Refractoriness (℃)

1580< Refractoriness< 1770

Shape

Brick

Product Name

Mullite Refractory Brick

Processing Service

Cutting, Moulding

Usage

Glass Furnace, Steel Converter .etc

Quality

High Quality

Package

Carton with Pallet

Al2O3

More Than 77

Sio2

Fe2o3

Less Than 0.4

Material Feature

Firebrick

Price

Factory Outlets

OEM

Yes

Type

Refractory Material

Material

Mullite

Transport Package

International Standard

Specification

Customizable

Trademark

Zhengzhou Rongsheng Refractory Co., Ltd.

Origin

Zhengzhou Rongsheng Refractory Co., Ltd.

HS Code

6902200000

Production Capacity

500ton/Tons Per Year

Key features

High Alumina Content: Contains 65-75% alumina with mullite as the main crystal phase for superior performance.

OEM and Customization: Supports OEM services and customization from samples or designs.

Wide Industrial Application: Ideal for blast furnaces, hot blast stoves, and glass melting furnaces.

Strict Quality Control: Products undergo strict inspection before shipment to guarantee quality.

ISO Certified Manufacturer: Certified with ISO9001, ISO45001, ISO14001, and CE standards.

Competitive Factory Price: Direct factory outlet pricing with cost-effective personalized services.

Company profile

Years of Export ExperienceProduct Certification

ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.09h

AI-Powered supplier vetting

SummaryThe supplier is a professional refractory-material and kiln-engineering supplier with capabilities covering shaped and unshaped refractory materials, castables, refractory cement, wear-resistant ceramics, graphite electrodes, kiln equipment, and related engineering services. It provides 3D design, sample/design-based customization, ODM, and OEM services, but reported no new products during the past year and has no SDK. Production information indicates two production lines and stated annual capacities including 100,000 tons of refractory bricks, 30,000 tons of refractory castable, 30,000 tons of refractory cement, and 50,000 tons of another refractory castable category. Quality and management certifications include CE, ISO9001:2015, ISO45001:2018, and ISO14001. Service procedures, complaint handling, corrective actions, and finished-product inspection are documented and followed. However, the supplier lacks overseas agents, branches, warehouses, and showrooms, and has no valid manufacturing-capacity...

Supplier typeThe supplier explicitly identifies as a professional technical supplier and operates across refractory materials, castables, ceramics, graphite electrodes, kiln equipment, and kiln-related engineering services. This indicates a specialized industrial supplier rather than a general trading entity.

CertificationsThe supplier reports CE product compliance certification and ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These stated certifications provide explicit evidence of formal quality, occupational safety, and environmental management coverage.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions, customer complaints, supplier-service assessment, and quality assurance, and it maintains in-stock service capability. However, it has no overseas warehouse, showroom, agent, or branch, so overseas physical service support is limited.

R&D capabilityThe supplier has three R&D engineers and provides 3D design, ODM, and OEM services, demonstrating design and development capability. However, it reported no new products in the past year and has no available SDK, so evidence of recent product innovation is limited.

Production capacityThe supplier operates two production lines and reports substantial annual capacities, including 100,000 tons of refractory bricks, 30,000 tons of refractory castable, 30,000 tons of refractory cement, and another 50,000-ton refractory castable category. It has defined equipment and finished-product inspection instructions, but lacks a valid contract between the factory and related subcontractor, creating a documented capacity-governance concern.

Customization capabilityThe supplier explicitly offers customization from samples and designs, 3D software design services, and ODM services. These combined capabilities directly support customized product development and manufacturing.