JS-REF | Leading Manufacturer of Refractory & Abrasive Raw Materials

About JS-REF

Henan JunSheng Refractories Limited is a manufacturer and trader of refractories and abrasive raw materials with over 20 years of experience. We specialize in high-purity alumina-based products, delivering professional services, consistent quality, and competitive pricing.

Our company has been focused on alumina refractories since its foundation. We continuously improve product quality, offer stable supply, and provide first-class after-sales service to meet the evolving needs of global industries.

20+

Years Experience

Global

Market Reach

Why Choose JS-REF?

We go the extra mile to ensure quality, reliability, and partnership.

Quality Products & Services

Our high-quality products and excellent service have earned international recognition. We offer technical support and reliable supply at competitive prices.

Advanced Equipment

Equipped with modern production lines and quality testing facilities, we ensure every batch meets strict standards. Pre-shipment inspections and third-party lab access guarantee consistency.

A Trusted Partner

We believe in building long-term partnerships based on trust. Our global clients rely on us for consistent performance and responsive communication.

Our Products

Engineered for performance in extreme thermal and chemical environments.

White Fused Alumina

Low Na2O content, high purity, excellent thermal shock resistance. Ideal for refractories and abrasives.

Fused Alumina Zirconia (AZ-25, AZ-40)

High toughness and wear resistance. Used in steel ladle linings and high-performance refractories.

Fused Spinel

High purity MgO-Al2O3 spinel with excellent thermal stability and chemical resistance. Suitable for rotary kilns and electric furnaces.

Brown Fused Alumina

Produced from calcined bauxite, offers optimum grain toughness. Widely used in abrasives and refractories.

Calcined Alumina Ultrafine

Used in high-performance castables to reduce water addition, porosity, and increase strength and volume stability.

Fused Mullite

High content of needle-like mullite crystals. Offers excellent resistance to thermal shock, deformation, and chemical corrosion.

Reactive Alumina

High purity, good particle distribution. Enhances densification in refractory castables and ceramics.

Black Silicon Carbide

Hard and sharp grains. Suitable for refractories, abrasives, and wear-resistant coatings.

Green Silicon Carbide

Higher purity than black SiC. Ideal for precision cutting, grinding, and semiconductor applications.

View All Products

Application Scenarios

Our materials serve critical roles across high-temperature and high-wear industries.

Refractories

Used in kilns, furnaces, and linings requiring high thermal resistance and durability.

Abrasives

Ideal for grinding, polishing, and cutting tools due to high hardness and sharpness.

Ceramics

Enhances strength and thermal stability in advanced ceramic components.

Glass-Making Furnace

Resists alkali corrosion and thermal cycling in glass melting environments.

What Our Clients Say

"It is a pleasure to work with you. Your team is very good."

— Bland

"Thank you my friend, your product is well suited to our requirements."

— Matsuo

"You are a good partner, I believe your company will become stronger."

— Jack

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