How long is the delivery time?

Normally, it takes around 10-20 days, depending on the order quantity. Peak and off-season lead times are within 15 workdays.

What certifications does your company have?

We have ISO9001 certification and test reports. We can also apply for other necessary certifications upon request.

How do you control product quality?

We have a complete QC system for each production processing to control quality during manufacturing. Finished products undergo random visual and functional inspections.

Do you provide free samples?

Yes, free samples are available for quality verification.

$Refractory Lightweight Mullite Bricks Lightweight Insulated Bricks Jm23 K23 K25 Mullite Insulation Bricks$

Refractory Lightweight Mullite Bricks Lightweight Insulated Bricks Jm23 K23 K25 Mullite Insulation Bricks

Name: Refractory Lightweight Mullite Bricks Lightweight Insulated Bricks Jm23 K23 K25 Mullite Insulation Bricks
Brand: Gongyi Yuying Refractory Co., Ltd.
SKU: 1956727771

Henan, ChinaGongyi Yuying Refractory Co., Ltd.

US$230.00-695.00

5 Tons

Sample price:US$95.00/kg.Request sample

Product profile

Customization

Available

Material

Insulation Brick

Refractoriness (℃)

1580< Refractoriness< 1770

Model NO.

lightweight insulated bricks

Shape

Brick

Usage

Aerospace, Ceramic Industry, Energy Industry, Glass Industry, Non-Metallic Mineral Processing Industry, Scientific Research and Experiments, Steel Industry

Al2O3

40-70

Fe2o3

0.6-1.0

Bulk Density

0.55-1.05

Cold Crushing Strength

1.0-3.0

Reheating Linear Change

1230-1620

Thermal Conducivity 350℃

0.20-0.45

Refractoriness Under Load

1080-1470

Transport Package

According to Customer Requirements

Specification

According to customer requirements

Trademark

Origin

China

Production Capacity

50000tons

Key features

Low Thermal Conductivity: Effective heat loss reduction with conductivity ranging from 0.20 to 0.45 W/mk.

High Compressive Strength: Withstands greater pressure with strength up to 3.0 MPa without damage.

Chemical Corrosion Resistance: Resists erosion by acids and alkalis, ensuring durability in harsh conditions.

Eco-Friendly Material: Green and environmentally friendly, ensuring no pollution to the environment.

Wear Resistance: High hardness provides good wear resistance and a long service life.

Flexible Customization: OEM/ODM services available with flexible customization options for specs.

Free Samples Available: Free samples provided for quality verification before bulk orders.

Company profile

$Gongyi Yuying Refractory Co., Ltd.$

Quality AssuranceProduction Process VisualizationManagement CertificationR&D Capabilities

Gongyi Yuying Refractory Co., Ltd.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 8 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.78h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established manufacturing capacity, producing activated carbon and multiple abrasive, refractory, and water-purification materials. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, and reports quality assurance, ODM, OEM, and flexible customization capabilities. However, several operational controls are weak or undocumented: raw-material traceability is absent, finished-product inspection is random, and corrective-action, complaint-handling, and supplier-assessment procedures lack written records. The supplier has no stated inventory, overseas warehouse, overseas agent or branch, showroom, or overseas service coverage. Innovation evidence is limited, with no new products in the last year, no SDK, and one R&D engineer. Financial records are only identified by year, without substantive financial metrics, so financial credibility cannot be determined.

Supplier typeThe supplier appears to be a manufacturer of industrial materials, with listed crushing, grinding, and classifying facilities and stated products including activated carbon, abrasive materials, refractories, and water-purification materials. The information supports a manufacturing supplier classification rather than a pure trading or service-provider classification.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications in both sustainability and management-system records. These certifications explicitly support formal quality, occupational safety, and environmental management coverage.

R&D capabilityThe supplier reports no available SDK, no new products launched in the past year, and one R&D engineer. Although it offers ODM services, the explicit evidence indicates limited demonstrated internal innovation output.

Production capacityThe supplier states annual activated-carbon productivity of 200,000 tons and describes annual output of abrasive materials, refractories, and water-purification materials, supported by multiple production facilities and lines. However, it reports no in-stock capacity and no valid manufacturing-capacity contract with affiliated subcontractors, so production scale is demonstrated but fulfillment safeguards are incomplete.

Customization capabilityThe supplier explicitly reports flexible customization, ODM availability, and OEM capability for popular brands. These three capabilities directly support customized design and branded manufacturing requirements.

Product Q&A

Q:Are you a manufacturer?

Yes, our factory is located in Zhengzhou, Henan province. We also have strong cooperating relationships with other manufacturers for related products.

Q:Can we visit your factory?

Sure, you are warmly welcome to visit at any time. Seeing is believing.

Q:Do you accept OEM or ODM?

Yes, customization is welcome. We offer OEM and ODM services with flexible customization options.

Q:What is the MOQ for trial orders?

There is no limit. We can offer the best suggestions and solutions to meet your requirements.

Q:What are the payment methods?

We accept T/T, L/C, PayPal, and Western Union. Other payment terms are also available.