Alumina-Ceramics.com | High-Performance Technical Ceramics Manufacturer

About Yixing Shengda Refractory Ceramics

Yixing Shengda Refractory Ceramics Co., Ltd. is a leading manufacturer of high-performance technical ceramics in China. We integrate R&D, manufacturing, and sales with advanced production equipment and a strong technical team.

With an annual output value exceeding $2 million, over 60% of our products are exported to America, Europe, Southeast Asia, and the Middle East. We specialize in alumina, zirconia, silicon nitride, and custom-engineered ceramic components.

95%–99%

Alumina Purity

60%+

Global Export Rate

2M+

Annual Output (USD)

OEM

Custom Solutions

Our Capabilities

From concept to precision-engineered ceramic components, we offer full-service support including material selection, design optimization, and high-volume production.

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Custom Design & Engineering

Our team provides product material suggestions and structural design guidance to ensure optimal performance and cost-efficiency.

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Precision Machining

CNC grinding, lapping, and polishing to achieve micron-level tolerances on complex ceramic geometries.

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High-Volume Production

Scalable manufacturing with strict quality control for consistent delivery of industrial-grade ceramic parts.

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Material Expertise

Deep knowledge in alumina, zirconia, silicon nitride, cordierite, mullite, and composite ceramics.

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Global Logistics

Reliable export packaging and shipping to North America, Europe, Asia, and the Middle East.

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Technical Support

Direct access to engineers for application-specific advice and post-sale assistance.

Our Products

High-performance technical ceramics engineered for durability, thermal stability, and electrical insulation.

99% Alumina Ceramic Gasket

High-density circular gasket for industrial sealing applications requiring thermal and chemical resistance.

• 99% Al2O3 purity
• High wear resistance
• Operating temp: up to 1700°C
• Custom sizes available

Zirconia Ceramic Piston Rod

Precision-polished zirconia plunger for high-pressure and corrosive environments.

• ZrO2 stabilized
• High toughness & strength
• OEM customization
• Cutting & threading services

Si3N4 Ceramic Bearing Ball

Ultra-hard silicon nitride ball for high-speed, low-friction bearing applications.

• High hardness (1500–1800 HV)
• Excellent thermal shock resistance
• Corrosion resistant
• Precision ground

Ceramic Terminal Block

High-resistivity insulating block for electrical and high-frequency applications.

• Excellent dielectric strength
• High thermal conductivity
• Flame retardant
• Custom pin configurations

Zirconia Ceramic Blade

High-toughness zirconium oxide knife for industrial cutting and medical tools.

• Superior edge retention
• Non-magnetic & non-conductive
• Resistant to acids and alkalis
• Custom shapes and finishes

Custom Precision Ceramics

OEM-manufactured ceramic parts tailored to your engineering specifications.

• Alumina, zirconia, Si3N4, BN
• From prototype to mass production
• CAD/CAM support
• ISO-compliant quality control

Ceramic Band Heater

High-efficiency heating element with alumina insulation for industrial processes.

• Fast thermal response
• Uniform heat distribution
• Durable & long life
• Custom wattage and size

Ceramic Fuse Body

High-temperature resistant fuse housing for electrical protection systems.

• Flameproof & arc-resistant
• High dielectric strength
• Stable under thermal cycling
• RoHS compliant

View Full Product Catalog

Frequently Asked Questions

What is the difference between 95% and 99% alumina ceramic?

95% alumina contains 95% aluminum oxide and is cost-effective for general industrial use. 99% alumina offers higher purity, better mechanical strength, and improved thermal and electrical performance, making it suitable for demanding applications like semiconductors and aerospace.

Can you manufacture custom ceramic parts from our drawings?

Yes, we specialize in OEM and custom ceramic components. Send us your CAD files or technical drawings, and our engineering team will provide feedback on manufacturability, material selection, and pricing.

What are the advantages of zirconia over alumina?

Zirconia (ZrO2) has higher fracture toughness, better impact resistance, and superior thermal shock resistance compared to alumina. It’s ideal for applications requiring durability under mechanical stress, such as cutting tools and wear parts.

Do you offer sample parts before mass production?

Yes, we can produce prototype or sample batches for testing and validation. Unit pricing for samples may vary, and lead time is typically 2–3 weeks depending on complexity.

What is your typical lead time for custom orders?

Standard lead time is 4–6 weeks from order confirmation and drawing approval. Rush services may be available upon request.

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About Yixing Shengda Refractory Ceramics