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Ultra-Precision Manufacturing & Machining Solutions

Professional provider of precision granite, ceramic, metal, glass, mineral casting, and UHPC solutions for advanced industrial applications.

Explore Our Solutions

About ZHHIMG

ZHONGHUI INTELLIGENT MANUFACTURING (JINAN) GROUP CO., LTD is a leading provider of ultra-precision components and systems for high-tech industries including semiconductor, aerospace, metrology, and automation.

With decades of experience in material science and precision engineering, we deliver one-stop solutions from design to calibration, ensuring unmatched stability, durability, and accuracy.

100+

Global Clients

20+

Years Experience

500+

Precision Projects

98%

Customer Retention

Precision Manufacturing Facility

Our Precision Solutions

Granite Surface Plate

Granite Surface Plate

Ultra-flat reference surface for precision measurement and inspection. Available in multiple grades (AA, A, B) and sizes up to 4000x2000mm.

  • • Material: Black Granite
  • • Flatness: ≤1.5μm/m²
  • • Hardness: 7–8 Mohs
  • • Thermal Stability: ±0.5μm/°C
Ceramic Square Ruler

Ceramic Square Ruler

High-precision 90° reference tool made from advanced zirconia or alumina ceramics. Ideal for cleanroom and high-wear environments.

  • • Material: ZrO₂ / Al₂O₃
  • • Accuracy: ≤2μm/300mm
  • • Wear Resistance: 10x Steel
  • • Non-Magnetic & Corrosion Resistant
Cast Iron Surface Plate

Cast Iron Surface Plate

Heavy-duty reference surface with excellent vibration damping. Used in large-scale metrology and assembly applications.

  • • Material: High-Grade Cast Iron
  • • Damping Ratio: 3x Granite
  • • Load Capacity: Up to 10T
  • • Machined to Grade A or B
Glass Machining Components

Precision Glass Components

Custom-machined optical and structural glass parts with sub-micron tolerances. Ideal for laser systems and inspection equipment.

  • • Material: BK7, Fused Silica
  • • Surface Finish: Ra < 0.01μm
  • • Parallelism: ≤1 arcsec
  • • Coating Options: AR, HR, ITO
Mineral Casting Machine Bed

Mineral Casting Machine Bed

High-damping composite base for CNC machines and precision equipment. Superior vibration absorption vs. cast iron.

  • • Material: Epoxy Granite
  • • Damping Capacity: 10x Cast Iron
  • • Thermal Conductivity: Low
  • • Custom Shapes & Embedments
UHPC Machine Bed

UHPC Machine Bed

Ultra-High Performance Concrete (RPC) structural components with exceptional strength, durability, and damping.

  • • Compressive Strength: 150–200 MPa
  • • Flexural Strength: 20–30 MPa
  • • Damping Ratio: 5x Steel
  • • Low Shrinkage & Creep
Granite Air Bearing

Granite Air Bearing

High-stiffness, low-friction motion platform using precision granite base with air suspension for nanometer-level stability.

  • • Flatness: ≤0.5μm over 1m
  • • Stiffness: >200 N/μm
  • • Vibration Isolation: >90%
  • • Cleanroom Compatible
Ceramic Air Bearing

Ceramic Air Bearing

Advanced ceramic-based air bearing system with superior thermal stability and wear resistance for long-term precision.

  • • CTE: 8–10 ppm/°C
  • • Hardness: 1500–2000 HV
  • • Operating Temp: -50°C to 400°C
  • • No Lubrication Required

Comprehensive Support Services

Assembly & Calibration

Full system integration with laser interferometer calibration for sub-micron alignment and performance verification.

Resurfacing & Repair

Professional restoration of damaged granite and ceramic surfaces to original specifications using precision lapping.

Custom Design & Drawings

Engineering support for custom component design, tolerance analysis, and CAD model validation.

Balancing Machines

Supply and maintenance of vertical/horizontal, hard/soft bearing balancing systems for rotors and spindles.

Tailor-Made Solutions

End-to-end development of custom precision systems based on client specifications and application needs.

Knowledge Center

Access to technical documentation, application notes, videos, and training materials on precision manufacturing.

Frequently Asked Questions

What materials do you specialize in?

We specialize in ultra-precision components made from granite, ceramic (zirconia, alumina), metal (cast iron, steel), glass (BK7, fused silica), mineral casting (epoxy granite), and ultra-high performance concrete (UHPC/RPC).

What industries do you serve?

Our solutions are used in semiconductor manufacturing, aerospace, metrology labs, optical instrumentation, precision machining, and automation systems.

Can you provide custom designs?

Yes, we offer full custom design, engineering, manufacturing, and calibration services tailored to your specific application requirements.

What is your lead time for standard products?

Standard items typically ship within 4–6 weeks. Custom projects vary based on complexity and are quoted individually.

Do you offer international shipping?

Yes, we export globally with proper packaging and logistics support to ensure safe delivery of precision components.

Get in Touch

For inquiries about our products and services, please visit our official website to contact us directly.

Visit Official Website

Office & Factory

Office: Build 1, Jiazhou, Tianqiao District, Jinan, Shandong, CHN

Factory: Huanghe Industrial Zone, Huaiyin District, Jinan, Shandong, CHN

Contact Information

Email: [email protected]

Phone/WhatsApp: +86 19969991659

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