Products & Solutions
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Granite Surface Plate: The Precision Expert for Industrial Measurement
ZHHIMG Granite Surface Plates are crafted from selected high-quality natural fine-grained granite, boasting a micron-level accuracy of up to Grade 00, and fully complying with DIN 876 and ISO international standards.
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Granite Square Ruler: Stable, Durable, Ideal for Industrial Calibration
The granite square ruler boasts outstanding material properties. With high hardness and excellent wear resistance, granite can maintain high precision for a long time and is not prone to wear or deformation during use. Meanwhile, granite features stable physical and chemical properties, with minimal susceptibility to environmental factors such as temperature and humidity, ensuring accurate measurements under various working conditions.
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ZHHIMG® High-Density Precision Granite Surface Plates
In the world of ultra-precision, your measurement is only as reliable as the surface it rests upon. At ZHONGHUI Group (ZHHIMG), we understand that “the precision business can’t be too demanding”. That is why our Precision Granite Surface Plates are engineered to be the global benchmark for stability, accuracy, and longevity.
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A Reliable Tool for Precision Measurement — Granite Parallel Ruler
Granite parallel straightedges are typically made of high-quality granite materials such as “Jinan Green”. Subjected to hundreds of millions of years of natural aging, they feature uniform microstructure, extremely low coefficient of thermal expansion and completely eliminated internal stress, boasting excellent dimensional stability and high precision. Meanwhile, they also offer advantages including superior rigidity, high hardness, excellent wear resistance, rust prevention, non-magnetization and low dust adhesion, with easy maintenance and a long service life.
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Industrial Precision Granite Surface Plate Stand Set
The granite surface plate with stand is a set of precision measuring tools or tooling equipment composed of a high-precision granite surface plate and a dedicated supporting stand, and is widely used in fields such as industrial measurement, inspection and marking-out.
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High-Precision Custom Granite Machine Components
In the relentless pursuit of perfection within the semiconductor, optical, and aerospace sectors, the support structure is no longer just a frame—it is a critical performance variable. As manufacturing tolerances shrink to the sub-micron level, engineers increasingly find that traditional metallic components introduce too much vibration and thermal drift. This is why ZHHIMG (ZhongHui Intelligent Manufacturing) has become a global leader in providing the “geological silence” required for high-tech innovation.
Our latest custom-engineered granite machine components and epoxy granite machine bases represent the pinnacle of stability, designed to serve as the unwavering core of your most sensitive equipment.
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Granite Air Bearing: Micron-level Precision for High-end Manufacturing
The granite air bearing is a core functional component made of high-precision natural granite. Integrated with air-floating support technology, it achieves contactless, low-friction and high-precision motion.
The granite substrate boasts prominent advantages including high rigidity, wear resistance, excellent thermal stability and non-deformation after long-term use, which ensures micron-level positioning accuracy and operational stability of equipment under harsh working conditions. -
Precision Granite Square Ruler (Master Square)
In the world of ultra-precision manufacturing, the accuracy of your work is only as good as the master reference you use to verify it. Whether you are calibrating a multi-axis CNC machine, inspecting aerospace components, or setting up a high-precision optical laboratory, the Granite Square Ruler (also known as a Master Square) is the essential “source of truth” for 90-degree squareness, parallelism, and straightness.
At ZHHIMG (ZhongHui Intelligent Manufacturing), we transform geologically stable black granite into world-class metrology tools. Our granite square rulers are designed for professionals who refuse to compromise on stability, durability, and sub-micron accuracy.
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High-Precision V-Blocks: Top Choice for Positioning and Clamping, Ideal for Precision Machining
The granite V-block is made of high-hardness granite material, featuring ultra-high precision and stability, excellent wear resistance and deformation resistance, and can effectively ensure the accuracy of positioning and measurement of precision workpieces.
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Granite Square Ruler: Precision Measurement for Perpendicularity and Flatness
Granite Square Ruler: High-precision 90° right-angle datum tool for industrial squareness inspection, tool calibration & precision positioning—rigid, wear-resistant, accuracy guaranteed!
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Granite Tri Square Ruler—Industrial-Grade Right-Angle Reference and Inspection Tool
The core functions of the granite square are as follows:Made of high-stability granite, it provides a precision right-angle reference for testing the squareness, perpendicularity, parallelism and flatness of workpieces/equipment. It can also serve as a measurement reference tool for calibrating equipment and establishing testing standards, as well as assist in precision marking and fixture positioning. Featuring high precision and deformation resistance, it is suitable for precision machining and metrology scenarios.
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Precision Granite Square Ruler with Packaging Case
ZHHIMG® proudly presents its Precision Granite Square Ruler—an essential tool for achieving precise and reliable measurements in industrial and laboratory settings. Designed for professionals who demand accuracy and durability, this granite square ruler comes with a high-quality packaging case for secure storage and transport. Whether for use in machine tool calibration, assembly, or metrology, this tool provides the stability and precision necessary for high-level performance.