UNPARALLELED LTD is one of the leading manufacturers and suppliers of granite metrology in China. With abundant experience, we warmly welcome you to buy advanced granite metrology made in China here from our factory. We also accept custom orders.
Product Description
Engineered for Excellence: The UNPARALLELED® Precision Granite Component
In the world of ultra-precision manufacturing, structure defines performance. That's why leading OEMs in semiconductors, aerospace, medical devices, and industrial automation rely on UNPARALLELED® - the global benchmark in precision granite engineering.
Our Precision Granite Component isn't just a part - it's a foundation of stability. Crafted from our proprietary high-density black granite (≈3100 kg/m³), this component delivers unmatched thermal inertness, vibration damping, and dimensional stability - essential for applications where even nanometer-level drift can cause catastrophic errors.
We don't sell off-the-shelf parts. We engineer custom solutions tailored to your exact requirements - because when you're building the next generation of technology, you need a foundation that won't compromise.
quality control
Technical Specifications
| Parameter | Specification |
|---|---|
| Material | UNPARALLELED® Black Granite (Density: ~3100 kg/m³) |
| Surface Finish | Mirror-polished, lapped to micro/nano-level flatness |
| Flatness Accuracy | Up to ±1 μm/m (Grade 00 / DIN 876) |
| Thermal Expansion Coefficient | < 0.5 × 10⁻⁶ /°C |
| Hardness | Mohs 6–7 (resistant to scratches and abrasion) |
| Available Sizes | Customizable up to 6000mm × 4000mm × 1000mm |
| Mounting Options | Pre-drilled holes, threaded inserts, optional leveling feet |
| Certifications | ISO 9001, ISO 14001, ISO 45001, CE, traceable to national standards |
| Calibration | Traceable to NIST, PTB, NPL via Mahr, Mitutoyo, Renishaw instruments |
All components are manufactured in our climate-controlled, anti-vibration workshop and tested using interferometric methods.
services
Key Advantages
- Superior Material Integrity:
Our exclusive black granite exceeds European and American standards in density and stability - no marble substitutes here.
- Zero Thermal Drift:
With an extremely low coefficient of thermal expansion, the component maintains dimensional accuracy across temperature fluctuations.
- Vibration-Damping Properties:
Natural damping reduces resonance, improving repeatability and accuracy in high-speed motion systems.
- Custom Engineering Capability:
Whether you need a simple base or a complex multi-part assembly, we design and manufacture to your CAD drawings or functional specs.
- Full Traceability & Certification:
Every component is calibrated using traceable instruments and comes with detailed certification reports. We support third-party verification upon request.
- Industry-Leading Production Capacity:
As the world's fastest producer of precision granite beds, we process up to 100-ton single pieces using 4 Taiwan NanTec grinding machines ($500K+ each).
certificates
Real-World Applications & Benefits
Used in:
✅ Semiconductor wafer handling systems
✅ PCB drilling and testing platforms
✅ CNC machine bases and gantries
✅ Laser alignment and AOI inspection frames
✅ Industrial CT scanners and X-ray imaging systems
✅ High-precision linear motor stages
✅ Research labs at MIT, Tsinghua, and KTH
Client Benefits:
- Eliminates structural deformation under load
- Reduces measurement errors caused by thermal expansion
- Enhances system repeatability and longevity
- Serves as a primary reference frame in precision machinery
- Ideal for cleanroom environments due to non-magnetic, non-conductive properties
FAQ
Q: Can I get a custom shape or size?
A: Absolutely. We specialize in custom granite components - from simple rectangular blocks to complex assemblies with integrated channels, recesses, or mounting brackets.
Q: How do I ensure my granite component fits my machine?
A: Send us your CAD files or dimensional drawings, and our engineers will verify compatibility and recommend optimal mounting solutions.
Q: What makes UNPARALLELED® different from other manufacturers?
A: We're the only company globally with ISO 9001, 14001, 45001, and CE certifications, plus 20+ international patents. Our in-house R&D team collaborates with institutions like NUS, Stanford, and the Chinese Academy of Sciences to push the limits of precision.
Q: Do you provide calibration certificates?
A: Yes. All components are calibrated using traceable instruments and come with detailed certification reports. We also offer on-site calibration services for critical applications.
Q: Is this suitable for outdoor use?
A: While highly durable, we recommend indoor use in controlled environments. Outdoor exposure may lead to moisture absorption and thermal stress over time.
packing&delivery
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Ship |
Qingdao port |
Shenzhen port |
TianJin port |
Shanghai port |
... |
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Train |
XiAn Station |
Zhengzhou Station |
Qingdao |
... |
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Air |
Qingdao Airport |
Beijing Airport |
Shanghai Airport |
Guangzhou |
... |
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Express |
DHL |
TNT |
Fedex |
UPS |
... |
Why Trust UNPARALLELED®?
Because we believe:
"If you can't measure it, you can't make it."
That's why we invest in state-of-the-art metrology labs, partner with global research institutions, and train every technician in DIN, ASME, JIS, GB, and ISO standards. We don't just sell parts - we deliver confidence.
From GE and Samsung to Singapore's Akribis and Israel's Flex, leaders in technology choose us because they know:
When precision matters, only UNPARALLELED® delivers.
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