Ultra-Precision Black Granite Components

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

The secret to our superior performance lies in our material choice: UNPARALLELED® Black Granite. While many manufacturers use cheaper marble or low-density stones to cut costs, we strictly adhere to a policy of "No cheating, No concealment, No misleading".

• Exceptional Physical Properties: Our black granite features a high density of approximately 3100 kg/m³, offering significantly better stability and physical performance than standard European or American black granites.
• Natural Stability: Unlike metal structures, our granite does not suffer from internal stresses that cause warping over time. It provides a naturally damped environment, essential for high-frequency applications like femtosecond and picosecond laser equipment.
• Superior to Marble: We resolutely resist the use of inferior marble, which lacks the density and wear resistance required for true precision.

Our production facility in Jinan, strategically located near Qingdao port, spans over 200,000 m² and houses the world's most advanced processing equipment. We follow our founder's guiding principle: "If you cannot measure it, you cannot produce it".

• World-Class Machinery: We utilize four ultra-large Taiwan Nante grinders-each valued at over 500,000 USD-to grind non-metallic and metallic platforms up to 6000 mm in length.
• Unrivaled Capacity: Our facilities can process single-piece components weighing up to 100 tons, with lengths reaching 20 m and widths of 4000 mm.
• The "Walking Electronic Levels": While technology is vital, our greatest pride is our workforce. Our master artisans possess over 30 years of manual lapping experience. Their tactile sensitivity allows them to "hand-lap" products to nanometer-level precision, often knowing exactly how many microns they have removed with a single stroke.
• Simulated Environments: We operate a specialized 10,000 m² constant temperature and humidity cleanroom. This facility features 1000 mm thick ultra-hard concrete floors and deep anti-vibration trenches to ensure the measurement environment remains perfectly stable during assembly.

The products pictured represent our dual expertise in structural shaping and intricate fabrication.

• Complex Geometries: Whether you require stepped profiles for rail mounting (as seen in our L-shaped components) or intricate hole patterns for component assembly, we deliver features with sub-micron positional accuracy.
• Integrated Assemblies: We provide full-service assembly in our cleanrooms, simulating semiconductor production environments to ensure your granite components are ready for immediate integration.
• Global Standards Compliance: Every component is checked against international standards, including German DIN (876, 875), American ASME, and Japanese JIS.

Our components serve as the backbone for world-class equipment manufacturers and research institutions. Current partners include global giants like GE, Apple, Samsung, Bosch, and Rexroth, as well as prestigious universities like Nanyang Technological University and the National University of Singapore.

• Semiconductors: Bases for lithography and wafer handling.
• Metrology: Foundations for CMM (Coordinate Measuring Machines) and AOI (Optical Inspection) systems.
• New Energy: Bases for lithium battery and fuel cell testing equipment.
• Advanced Motion: Platforms for XY Tables and linear motor systems.

To protect your investment and maintain the nanometer-level accuracy of your UNPARALLELED® granite components, we recommend the following professional care:

• Constant Environment: Keep the components in a temperature-controlled environment to avoid thermal expansion.
• Regular Cleaning: Use specialized surface plate cleaners to remove dust and oil, which can act as abrasives.
• Calibration Intervals: Regularly verify flatness using high-precision tools such as Wyler electronic levels or Renishaw laser interferometers, both of which we use in our own QC process.
• Load Management: Avoid localized impact loads. Our components are designed for high stability, but concentrated shocks can damage the finely lapped surface.

At UNPARALLELED Group, our mission is to promote the development of the ultra-precision industry. We are not just a manufacturer; we are your partner in achieving the "unparalleled".

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