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
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Integrated production lines covering casting forming, heat treatment and CNC precision machining to deliver one-stop OEM customized castings.
Review customer drawings or samples and evaluate manufacturing feasibility.
02
Design and manufacture molds and tooling according to project requirements.
08
One-Stop OEM Manufacturing Solutions
Produce high-quality casting blanks with stable material properties.
01
05
07
From Drawing Review to Repeat Orders — Your Partner for Long-Term Success
03
Secondary machining and customized surface treatment according to customer specifications.
Remove excess material and prepare castings for precision machining.
04
06
09
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.
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.
Turning, milling, boring and grinding to achieve final dimensions and tolerances.
Core Product Lines
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Pump Castings
Custom castings for centrifugal pumps, industrial pumps and fluid handling equipment, including pump bodies, pump impellers, pump covers and casings, bearing brackets, and pump system components.
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Valve Castings
Custom castings for industrial valve applications, including valve bodies, valve bonnets, valve discs, valve seat rings, and valve system components.
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Automotive Castings
Custom castings for automotive applications, including transmission components, differential components, wheel hub components, brake system components, and engine components.
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Food Machinery Parts
Stainless steel castings and machined parts for food processing equipment, including components for mixing, conveying, filling and packaging applications.
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Mechanical Parts
Custom castings and machined parts for industrial machinery applications, including air compressor components, gearbox components, bearing housing components, power transmission parts, and industrial equipment components.
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.
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
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