Jundro | High Precision Machining for Hard & Brittle Materials

About Jundro

A trusted high-precision machining service provider specializing in hard and brittle materials for advanced industrial applications.

Our Mission

We provide development, design, and production of high-precision components such as ceramics, quartz, sapphire, and hard alloys to meet the special manufacturing needs of users in niche fields including semiconductor, biomedical, aerospace, and new energy.

Jundro deeply cultivates the technical ceramics market, offering strict quality control from material sourcing to final inspection. Our advanced testing equipment ensures every component meets the highest standards of precision and reliability.

Advanced R&D and Production Facility

Materials We Process

Expert machining of advanced technical ceramics, glass ceramics, and hard alloys with micron-level precision.

Macor

Machinable glass ceramic with excellent thermal stability and electrical insulation.

• Max Temp: 800°C
• CTE: 9.5 × 10⁻⁶/K
• High dielectric strength

ULE (Ultra-Low Expansion)

Near-zero thermal expansion glass for high-stability optical and aerospace applications.

• CTE ≈ 0 × 10⁻⁹/K
• High homogeneity
• UV transparent

Zerodur

Zero-expansion glass-ceramic ideal for precision optics and semiconductor lithography.

• CTE < ±10 × 10⁻⁹/K
• High chemical resistance
• Low density

Aluminum Nitride (AlN)

High thermal conductivity ceramic for power electronics and heat dissipation.

• Thermal Conductivity: 170–200 W/mK
• Low CTE
• Excellent electrical insulation

Silicon Nitride (Si₃N₄)

High strength, fracture toughness ceramic for demanding mechanical and thermal environments.

• High wear resistance
• Low thermal expansion
• Excellent thermal shock resistance

95–99.8% Alumina (Al₂O₃)

High hardness and chemical resistance ceramic for insulators, wear parts, and semiconductor components.

• Hardness: 15–19 GPa
• High dielectric strength
• Corrosion resistant

Zirconia Toughened Alumina (ZTA)

Composite ceramic combining high strength of zirconia with hardness of alumina.

• Enhanced fracture toughness
• High wear resistance
• Thermal shock resistant

Silicon Carbide (SiC)

Ultra-hard ceramic with excellent thermal conductivity and oxidation resistance.

• Hardness: 25–30 GPa
• High thermal conductivity
• Low thermal expansion

Boron Carbide (B₄C)

One of the hardest materials known, used in armor and neutron absorption.

• Hardness: ~30 GPa
• Low density
• High neutron absorption

Tungsten Carbide

Extremely hard and wear-resistant alloy used in cutting tools and industrial components.

• Hardness: 15–20 GPa
• High compressive strength
• Excellent wear resistance

Yttria-Stabilized Zirconia (YSZ)

High ionic conductivity ceramic used in fuel cells and thermal barrier coatings.

• High oxygen ion conductivity
• Low thermal conductivity
• High fracture toughness

Sapphire Glass

Single-crystal aluminum oxide with exceptional optical clarity and scratch resistance.

• Hardness: 9 Mohs
• UV to IR transparency
• High thermal conductivity

Industrial Applications

Precision components for high-tech industries where performance and reliability are critical.

Semiconductor

The long-term demand for technical ceramics in the semiconductor industry is very strong, and the technical requirements for ceramic components are also very strict. Jundro deeply cultivates this field to provide users with high precision ceramic parts.

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Biomedical

The medical industry's requirements for ceramic products are not only limited to appearance and size, but also must have good biocompatibility. Jundro controls the quality of its products from the source to ensure safety and reliability.

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New Energy

Technology ceramics play a vital role in lithium batteries, nuclear energy, solar energy, and other new energy industries, offering insulation, durability, and thermal management.

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Automation

The application of ceramics in the automation industry is very extensive. Different automation processes have special requirements for the design and materials of ceramics. Jundro provides one-stop solutions for automation supporting parts.

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Aerospace

In the field of aerospace, Jundro has a large number of users worldwide. We provide technical ceramics with high precision and high reliable performance for enterprises including GE, ESA, and China Aerospace.

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Custom Components

From prototype to mass production, Jundro offers full-cycle custom processing services for complex geometries and tight tolerances in hard and brittle materials.

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Customized Precision Processing

We specialize in the development and production of high-precision components tailored to your exact specifications. Our team supports you from design to delivery with advanced machining techniques.

Micron-level dimensional accuracy
Advanced CNC and grinding technologies
Full quality control and traceability
Fast prototyping and scalable production

Frequently Asked Questions

What materials can Jundro machine?

We process a wide range of hard and brittle materials including aluminum nitride, silicon nitride, alumina, zirconia, silicon carbide, boron carbide, tungsten carbide, sapphire, quartz glass, Macor, ULE, Zerodur, and composite materials like Shapal-HI-M and aluminum silicon carbide.

What industries do you serve?

Our primary markets include semiconductor, biomedical, aerospace, automation, and new energy sectors. We provide high-precision components that meet the stringent requirements of these advanced industries.

Do you offer custom design and prototyping?

Yes, we offer full-cycle customized processing from design consultation and prototyping to mass production. Our engineering team works closely with clients to ensure optimal material selection and manufacturability.

What quality standards do you follow?

We maintain strict quality control throughout the production process with advanced inspection equipment. Our processes ensure dimensional accuracy, surface finish, and material integrity required for critical applications.

Request a Quote

Need precision-machined components in hard and brittle materials? Contact us for expert consultation and quotation.

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