ND Granite | Precision Granite Solutions for High-Tech Industries

Who Are We?

ND (Shandong) Intelligent Equipment Co., LTD. is a leading innovator in precision granite technology. We specialize in manufacturing high-accuracy granite measuring tools, engineered components, air bearing stages, and motion control systems for industries where micron-level tolerances are non-negotiable.

With decades of experience and advanced CNC and metrology equipment—including RENISHAW laser interferometers and Mahr dial gauges—we deliver granite solutions that meet the most demanding specifications in flatness, straightness, coplanarity, and stability.

Why Choose ND?

Precision within a few microns over large surfaces
Custom engineering for unique industrial needs
Full or partial assembly services with skilled technicians
Trusted by universities, research institutes, and semiconductor manufacturers

100+

Global Clients

Our Product Series

Engineered for performance, reliability, and micron-level accuracy. Our granite-based systems are foundational in high-tech manufacturing and research environments.

Granite Measuring Tools

Surface plates, cubes, and precision reference tools chosen for stability and high accuracy in calibration and inspection.

Flatness: ±1.5μm over 1m
Material: Black granite (diabase)
Applications: Metrology labs, QC departments

Granite Engineering Components

Custom-designed granite bases, bridges, and structural elements for integration into high-precision machines.

Custom sizes up to 7m x 3.5m
Threaded inserts, tapped holes, CNC milling
Used in laser and semiconductor equipment

Granite Air Bearing Stages

Ultra-smooth motion platforms using granite bases with air-bearing technology for vibration-free positioning.

Sub-micron repeatability
Low thermal expansion
Used in optical and inspection systems

Precision Motion Control System

Integrated granite-based linear stages with servo motors and encoders for high-speed, high-accuracy motion.

Travel ranges: 300mm to 3000mm
Accuracy: ±2μm
Applications: Automation, testing

Custom Granite Solutions

Customized Engineering Components

We collaborate with engineers to design and manufacture bespoke granite parts optimized for performance and cost.

Full CAD/CAM support
Prototyping and validation
Assembly and testing services

Vibration Isolation System

Granite platforms integrated with passive or active damping systems for sensitive measurement and imaging.

Reduces ambient vibrations by 90%
Used in electron microscopy, AFM
Custom configurations available

Surface Plate

Precision Surface Plate

Grade AA and Grade A surface plates for calibration, inspection, and tooling setup.

Sizes: 300x300mm to 3000x1500mm
Flatness: ≤0.8μm per 300mm
With or without grid layout

CNC Milling & Drilling

CNC Milling and Drilling Machine

High-precision machining of granite components with tight tolerances and complex geometries.

5-axis CNC capability
Drilling, tapping, slotting
Threaded inserts and bushings

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Industries We Serve

Our precision granite systems are trusted across high-tech sectors where stability, accuracy, and durability are mission-critical.

Semiconductor Industries

Granite stages and platforms for lithography, inspection, and wafer handling systems.

Aerospace Technology

Precision granite bases for CMMs, alignment systems, and flight component testing.

Optical Machines

Stable granite platforms for interferometers, laser alignment, and optical benches.

Electronics Production

High-accuracy granite stages for PCB inspection, pick-and-place, and AOI systems.

Universities & Research

Custom granite systems for labs in physics, nanotechnology, and advanced materials.

Measurement & Inspection

Surface plates, CMM bases, and calibration standards for quality assurance.

Precision Laser Processing

Granite motion stages for laser cutting, welding, and marking systems.

Vacuum Clamping Tech

Granite tables with integrated vacuum systems for secure workholding.

Frequently Asked Questions

What makes granite ideal for precision applications?

Granite offers exceptional dimensional stability, low thermal expansion, high damping capacity, and resistance to wear—making it ideal for maintaining flatness, straightness, and accuracy over time.

Can you manufacture custom granite components?

Yes. We specialize in custom-engineered granite parts. Our team works with your engineers to design and produce components optimized for your machine’s performance and budget.

What metrology equipment do you use?

We use RENISHAW laser interferometers, Mahr dial gauges, and high-precision surface testers to ensure flatness, straightness, and dimensional accuracy within microns.

Do you offer assembly services?

Yes. We provide partial or full assembly of granite-based systems, including integration of air bearings, motors, sensors, and control systems per customer specifications.

What industries benefit most from your products?

Our solutions are used in semiconductor manufacturing, aerospace, optical instrumentation, electronics production, precision laser processing, and academic research.

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