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About Us

Hebei Unna Metal Technology Co., Ltd.

We specialize in custom grey iron & ductile iron castings, focusing on pump, valve, automotive and mechanical casting parts. We provide one-stop service from casting production to CNC precision machining, supporting OEM & ODM customized processing per customer drawings.

50+

Countries

15

13

700+

Production lines

OEM Projects

Years

LEARN MORE

Integrated production lines covering casting forming, heat treatment and CNC precision machining to deliver one-stop OEM customized castings.


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Review customer drawings or samples and evaluate manufacturing feasibility.

02

Tooling Development

Design and manufacture molds and tooling according to project requirements.

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Casting Production

One-Stop OEM Manufacturing Solutions

Produce high-quality casting blanks with stable material properties.

01

Drawing Review

05

07

From Drawing Review to Repeat Orders — Your Partner for Long-Term Success

03

Precision CNC Machining

Drilling&Surface Finishing

Rough Machining

Secondary machining and customized surface treatment according to customer specifications.

Remove excess material and prepare castings for precision machining.


04

Quality Inspection

06

Packaging&Global Delivery

09

After-Sales Support and

Continuous Improvement

Comprehensive inspection ensures dimensional accuracy and product consistency.

Professional export packaging and worldwide shipment for safe delivery.

Track product performance, provide technical assistance and continuously improve quality to support long-term customer success.

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One Partner. One Process. Complete OEM Solutions.

From drawing review to global delivery and after-sales support, we provide a fully integrated manufacturing solution that ensures quality, efficiency, and reliability at every stage of your project. Our goal is simple: make OEM sourcing easier, faster, and more dependable for our customers worldwide.

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Turning, milling, boring and grinding to achieve final dimensions and tolerances.

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Core Product Lines

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More details

Pump Castings 

Pump bodies, impellers, pump covers, bearing housings, flange bases and related castings.

More details

Valve Castings 

Valve bodies, bonnets, valve discs, seat rings and custom valve castings.

More details

Automotive Castings 

Wheel hub housings, differential housings, gearbox housings and automotive castings.

More details

Food Machinery Parts

Castings and machined parts for food processing, mixing, conveying and packaging equipment.

More details

Mechanical Parts

Equipment frames, bearing housings, gearbox castings and industrial machinery parts.




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Cast Iron Parts Manufacturing

Stainless Steel Parts Manufacturing

Aluminum Parts Manufacturing

Manufacturing Capabilities by Material

Sand casting, CNC machining, and finishing for pump bodies, valve housings, equipment bases, and heavy-duty industrial castings.

Investment casting, precision machining, and polishing for corrosion-resistant pump, valve, and food machinery components.

Die casting, sand casting, and CNC machining for lightweight automotive, machinery, and custom OEM aluminum components.

From cast iron and stainless steel to aluminum, brass, and zinc alloy, we provide integrated casting, CNC machining, surface finishing, and quality inspection for custom OEM components used in pumps, valves, automotive systems, food machinery, and general industrial equipment.




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Zinc Alloy Parts Manufacturing

Carbon & Alloy Steel Parts Manufacturing

Precision casting and CNC machining for brass, bronze valve parts, pump fittings, fluid control parts, and custom OEM hardware.

High-precision die casting, machining, and finishing for hardware, machinery parts, and custom zinc alloy components.

Casting, heat treatment, CNC machining, and surface finishing for carbon steel and alloy steel valve bodies, pump parts, pressure fittings, and heavy-duty industrial components.

Copper Alloy Parts Manufacturing

Leave your information and we will contact you.
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Hebei Unna Metal Technology Co., Ltd.

Company

✅Custom Castings & CNC Machining Manufacturer
✅OEM Service/ ODM Supported
✅15+ Years Experience
✅Export to 76 Countries
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Quick Links

Product Categories

Contact Information

📧 andy@unnametal.com
📞 +86 13273138715
🌍Hebei, China
🌐 www.unnametal.com
🌐Main Export Markets
USA
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Germany
Canada
Australia
Italy
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Spain
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Japan
South Korea
Copyright   © 2026 Hebei Unna Metal Technology Co., Ltd. All Rights Reserved.