UNPARALLELED LTD is one of the leading manufacturers and suppliers of precision granite structural component in China. With abundant experience, we warmly welcome you to buy advanced precision granite structural component made in China here from our factory. We also accept custom orders.
Product Overview
The UNPARALLELED® precision granite structural component is a high-stability foundation engineered for ultra-precision applications such as coordinate measuring machines (CMMs), semiconductor inspection systems, optical alignment platforms, and laser processing equipment. Crafted from UNPARALLELED® Black Granite, this component ensures exceptional rigidity, vibration resistance, and long-term dimensional stability-key factors in maintaining micron-level accuracy.
Unlike common marble or low-density stone substitutes used by small manufacturers, our selected black granite offers superior physical properties, including a density of approximately 3100 kg/m³, excellent hardness, minimal thermal expansion, and outstanding corrosion resistance. These attributes make UNPARALLELED® granite components the benchmark for ultra-precision industries worldwide.
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BRAND |
UNPARALLELED |
MATERIAL |
Nature Granite |
|
APPLICATION |
Metrology, Inspection and Measuring Machines |
DENSITY |
3070kg/m3 |
|
CONDITION |
NEW CUSTOM |
COLOR |
Pure Black |
|
ORIGIN |
Jinan |
PRECISION |
1 μm or higher |
|
WARRANTY |
1 YEAR |
STANDARD |
DIN, GB, ASME,JIS... |
|
PACKAGING |
Custom Export Package |
CERTIFICATE |
ISO9001, CE... |
|
PAYMENT ITEM |
T/T, L/C... |
KEY WORD |
precision granite structural component |
|
MATERIAL |
Jinan, China; India; South Afica |
TECHNICAL |
Inpsection& Calibration& Assembly |
|
PRICE |
EXW, FOB, CIF, DAP, CPT... |
SERVICE |
Design drawings |
quality control
Key Features and Advantages
- Ultra-Stable Material:
Manufactured from high-density UNPARALLELED® Black Granite, providing superior thermal and structural stability compared with European and American black granite types.
- High-Precision Machining:
Processed in climate-controlled workshops using CNC and manual lapping techniques to achieve sub-micron flatness and straightness tolerances.
- Anti-Vibration Design:
The granite's internal damping capacity minimizes vibration transmission, ensuring measurement accuracy even in dynamic or high-speed operations.
- Corrosion and Wear Resistance:
The natural granite surface resists rust, acid, and oil contamination, ensuring long service life and consistent measurement accuracy.
- Customizable Structure:
Multiple threaded inserts, dowel holes, air channels, and interface mounts are integrated to meet the needs of different precision systems such as CMM bases, linear motor platforms, or optical measurement systems.
factory display


Applications
UNPARALLELED® precision granite structural component are widely used in:
- Coordinate Measuring Machines (CMM)
- Semiconductor and wafer inspection systems
- Laser cutting and optical alignment platforms
- Industrial CT, AOI, and X-ray inspection equipment
- Linear motor stages and metrology instruments
- Precision CNC and motion control machinery
services
Quality Assurance
All products are manufactured under ISO 9001, ISO 45001, and ISO 14001 certified quality systems. Each component is inspected using international-grade instruments from Mitutoyo, Mahr, and WYLER, ensuring traceability to national metrology standards.
Our granite structures meet or exceed global standards such as DIN 876, ASME B89.3.7, JIS B7513, and GB/T 22095, guaranteeing reliable precision and consistency.
Maintenance and Care
To maintain long-term accuracy:
- Keep the granite surface clean and free from dust, oil, and coolant residue.
- Use a soft, lint-free cloth with neutral cleaning agents-avoid acids or solvents.
- Periodically check flatness with a precision straightedge or electronic level.
- Protect the surface from sudden temperature changes or mechanical shocks.
- When not in use, cover the surface with an anti-static protective cloth.
With proper maintenance, the service life of UNPARALLELED® granite components can exceed several decades without performance degradation.
certificates

Why Choose UNPARALLELED®
At UNPARALLELED Group, we believe "The precision business can't be too demanding." Our granite components are crafted with uncompromising attention to material quality, machining precision, and measurement integrity. Supported by our state-of-the-art facilities and decades of craftsmanship, UNPARALLELED® has become a trusted standard in the global ultra-precision manufacturing industry.
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