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

Granite has better physical properties than metal and casting. Due to its physical properties, such as surface hardness and low thermal expansion, granite is the material of choice for surface plates when tolerances are critical.
We will use Chinese best granite-- Black Jinan granite, which is academy black, according to our customers' requests or drawing to manufacture granite machine base, granite surface plate, special granite measuring tools and granite air bearings for them. We could make granite surface plate with maximum size 12000*8000*1000mm.
UNPARALLELED® Large Granite Base Product Introduction
Searching for a reliable and high-precision foundation for your heavy-duty industrial equipment? Look no further than UNPARALLELED® Large Granite Bases, proudly manufactured by Enpai Laiao Jinan Industrial Co., Ltd. Engineered with ZHHIMG black granite-a material renowned for its superior physical properties-our large granite bases redefine precision, stability, and durability in industrial applications.
Unrivaled Material SuperiorityAt the heart of our large granite bases lies ZHHIMG black granite, a material that outperforms alternatives like marble by a significant margin. With an impressive density of approximately 3100 kg/m³, this granite variant offers exceptional hardness and structural integrity. Unlike marble, which is prone to scratches, moisture absorption, and gradual deformation, ZHHIMG black granite resists wear, chemical corrosion, and thermal expansion. Its low coefficient of thermal expansion (just 0.5 - 1.0 μm/m/°C) ensures minimal dimensional changes even in fluctuating temperatures, making it ideal for environments where precision is non-negotiable.
Precision-Crafted for Your NeedsEach UNPARALLELED® large granite base undergoes meticulous manufacturing processes, leveraging advanced diamond machining techniques. This results in flatness tolerances as tight as 0.5 - 10 microns and surface finishes as smooth as 0.1 μm (Ra), guaranteeing a stable and accurate foundation for your machinery. Whether you need a base for a large-scale CNC machine, a coordinate measuring machine (CMM), or an optical inspection system, our granite bases provide consistent performance, reducing measurement errors and enhancing production efficiency.
Engineered for Heavy-Duty ApplicationsOur large granite bases are designed to handle substantial loads without compromising on precision. Thanks to the high compressive strength of ZHHIMG black granite (exceeding 200 MPa), these bases can support heavy industrial equipment while dampening vibrations up to 20 times more effectively than steel. This vibration absorption capability minimizes resonance, protecting your machinery from premature wear and ensuring the longevity of your production line.
Customization Options to Fit Your RequirementsWe understand that every industrial application is unique. That's why UNPARALLELED® offers customizable large granite bases tailored to your specific needs. Whether you require specific dimensions, T-slots, drilled holes, or surface treatments, our experienced engineering team works closely with you to deliver a solution that aligns perfectly with your operational requirements.
Trusted by Industries WorldwideFrom aerospace and automotive manufacturing to semiconductor production and metrology labs, our large granite bases have earned the trust of leading industries globally. Their reliability, long service life, and low maintenance requirements make them a cost-effective investment in the long run. With UNPARALLELED®, you're not just purchasing a product-you're partnering with a team committed to providing top-notch quality and outstanding customer support.
Why Choose UNPARALLELED®?
Premium Material: Exclusive use of ZHHIMG black granite for unmatched performance.
Uncompromising Precision: Rigorous quality control ensures consistent, sub-micron accuracy.
Tailored Solutions: Customizable designs to meet your exact specifications.
Exceptional Support: A dedicated team ready to assist you at every stage, from selection to installation.
Experience the difference of UNPARALLELED® Large Granite Bases. Contact us today to discuss how our products can elevate your industrial operations to new heights of precision and reliability.


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Roughness Meter

Vernier Caliper

Dial Gauge

Inductance Micrometer






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