High-Precision Granite Machine Base

UNPARALLELED LTD is one of the leading manufacturers and suppliers of high-precision granite machine base in China. With abundant experience, we warmly welcome you to buy advanced high-precision granite machine base made in China here from our factory. We also accept custom orders.

While many manufacturers utilize standard marble or low-density stone, we strictly use UNPARALLELED® Black Granite. This material is selected for its superior physical properties:

• Ultimate Density: Approximately 3100kg/m³, providing significantly better vibration damping than European or American black granite.
• Thermal Stability: Minimal coefficient of thermal expansion ensures that your measurements remain consistent even during slight temperature fluctuations.
• Zero Internal Stress: Unlike metal castings, our natural granite bases are aged over millions of years, ensuring they never warp or deform over time.

We operate one of the world's most advanced stone processing facilities, spanning 200,000 m². Our capabilities allow us to support the most ambitious industrial projects:

• Extreme Dimensions: We can process single-piece components up to 20 meters in length, 4000mm in width, and 1000mm in thickness.
• Heavy-Duty Capacity: Our facility is equipped to handle single workpieces weighing up to 100 tons.
• Precision Finishing: Utilizing high-end Nanté grinding machines (valued at over 500,000 USD each), we achieve flatness levels that reach the nanometer scale.

Our granite components serve as the critical "backbone" for high-stakes industries, including:

• Semiconductor Lithography: Providing vibration-free platforms for wafer processing.
• CMM & Metrology: The global standard for coordinate measuring machine bases and gantries.
• AOI & Laser Processing: Supporting high-speed optical inspection and femtosecond/picosecond laser equipment.
• Aerospace & Research: Trusted by global metrology institutes and universities like the National University of Singapore and Stockholm University.

At UNPARALLELED®, we believe that "if you cannot measure it, you cannot produce it". Our production is guided by:

• Expert Craftsmanship: Our master technicians possess over 30 years of manual lapping experience. Their precision is so refined that clients refer to them as "walking electronic levels".
• World-Class Instrumentation: Every base is verified using Renishaw laser interferometers, Wyler electronic levels, and Mahr/Mitutoyo indicators, with all certifications traceable to national metrology institutes.
• Strict Standards: We manufacture to global tolerances including DIN 876, ASME, and JIS.

To maintain the nanometer-level accuracy of your UNPARALLELED® granite base, follow these professional guidelines:

• Cleaning: Use only specialized stone detergents or high-purity alcohol. Avoid acidic or abrasive cleaners that could damage the surface.
• Load Management: Do not exceed the rated load capacity on specific points. Distribute weight evenly across the surface.
• Environment: While granite is thermally stable, for peak precision, it should be kept in a temperature-controlled environment (ideally 20°C ±0.5°C).
• Verification: Periodically check flatness using a calibrated electronic level or laser system to ensure the foundation hasn't shifted due to floor settling.

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