Precision Cast Iron & Granite Tools

Expert in customized T-slotted floor plates, surface plates, 3D welding tables, and granite measuring tools. ISO 9001:2015 certified manufacturer with over 10 years of global export experience.

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10+ Years Experience

Specialized in design, production, and export of precision mechanical components.

Global Export

Trusted by customers in Russia, Europe, Turkey, and beyond.

ISO 9001:2015 Certified

Committed to superior quality and professional service standards.

About Chaoran Machinery

Cangzhou Chaoran Machinery Manufacturing Co., Ltd is a professional manufacturer specializing in the design, production, and export of high-precision mechanical equipment and measuring tools.

Located in Cangzhou, Hebei Province, China, our team brings over 10 years of rich experience in manufacturing and exporting cast iron and granite-based industrial solutions. We are recognized globally for our superior product quality, precision engineering, and customer-focused service.

Customized design and production capabilities

ISO 9001:2015 Quality Management System Certified

Exported to Russia, Europe, Turkey, and other international markets

Expertise in hand scraping and flatness standards (DIN876)

10+

Years in Industry

Our Products

High-precision cast iron and granite tools engineered for industrial applications, quality control, and manufacturing excellence.

T-Slotted Floor Plates

Large-size cast iron floor plates with precision T-slots for heavy-duty industrial applications and modular workholding systems.

Custom sizes available
High load-bearing capacity
Flatness compliant with DIN876

Cast Iron Surface Plates

Precision-ground surface plates used for inspection, layout, and tooling setup in quality control environments.

Hand-scraped finish available
Grade 00 to Grade 1 accuracy
Stable and durable

Angle Plates

Cast iron angle plates for precise 90° positioning and clamping in machining and inspection setups.

Accurate perpendicularity
T-slots on both faces
Heat-treated for stability

Clamping Cubes

Precision clamping cubes for 3D workholding and modular fixture systems in CNC and welding applications.

Multi-directional T-slots
High rigidity and repeatability
Custom configurations

3D Welding Tables

Modular welding tables with grid patterns for fast and accurate assembly of complex metal structures.

25mm or 100mm grid spacing
Hardened and ground surface
Compatible with standard clamps

Cast Iron Machine Beds

Heavy-duty machine bases and columns designed for stability, vibration damping, and long-term precision.

Custom casting and machining
Stress-relieved for durability
Ideal for CNC and industrial machines

Granite Surface Plates

Natural granite surface plates offering exceptional flatness, wear resistance, and thermal stability.

Grade AA to Grade B accuracy
Low thermal expansion
Corrosion and rust resistant

Granite Straight Edges

Precision granite straight edges for checking straightness and alignment in industrial applications.

High accuracy and rigidity
Available in multiple lengths
Ideal for calibration labs

Why Choose Chaoran Machinery?

We combine advanced manufacturing techniques with decades of expertise to deliver reliable, high-precision components.

Expert Craftsmanship

Over 10 years of specialized experience in cast iron and granite tool manufacturing.

Custom Solutions

Tailored designs and dimensions to meet your exact industrial requirements.

ISO 9001 Certified

Quality management systems ensure consistent product excellence.

Global Reach

Trusted by clients in Russia, Europe, Turkey, and other international markets.

Frequently Asked Questions

What materials do you use for your cast iron products?

We use high-quality gray cast iron (HT200, HT250, or as per customer specification) known for excellent vibration damping, wear resistance, and machinability. Material selection can be customized based on application requirements.

Can you manufacture custom-sized surface plates?

Yes, we specialize in custom manufacturing. Whether you need a non-standard dimension T-slotted plate or a large granite surface plate, we can produce it according to your drawings and specifications.

What flatness standards do you follow?

Our products comply with international flatness standards including DIN876. We offer various accuracy grades (Grade 00, Grade 0, Grade 1) depending on the application, from laboratory precision to industrial use.

Do you provide hand-scraping services?

Yes, we offer professional hand scraping services to achieve ultra-precise surface finishes and optimal contact points, especially for high-accuracy surface plates and machine ways.

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