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Home > Cold Plate Heat Sink Manufacturer
Cold Plate Heat Sink
Cold Plate Heat Sink Product
Customization Capabilities
Tailored Cold Plate Heat Sinks for high-performance electronic systems with strict thermal and structural demands.
- Material Option: Aluminum 6063-T5 or 6060-T6
- Plate Thickness: Customized between 3.5 mm and 5.0 mm
- Surface Treatment: Gold anodizing or client-specified finishes
- Phase-Change Thermal Design: Ensures uniform temperature distribution across the plate
- Machining & Joining: Includes friction stir welding, vacuum brazing, CNC turning, drilling, milling, cutting, bending, and punching
- Customized Dimensions: Width and length tailored to application-specific layouts
- Manufacturing Services: Fully supported with ODM / OEM capabilities and rapid sample delivery (5-7 working days)
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Why Partner with Sinoextrud for Your Cold Plate Heat Sink Needs?
We are more than just an aluminum profile supplier — we’re your efficient, reliable, long-term partner.
With Us, You Get:Faster turnaround，Stable quality，Competitive pricing，End-to-end support.
Large-Scale Manufacturing：Our factory spans 1,000 mu (about 667,000 m²), with full in-house capabilities from aluminum smelting and billet casting to extrusion, surface treatment, and CNC machining.
One-Stop Solution：With 43 extrusion lines (500–5500 tons) and a dedicated mold partner, we provide fast production, custom profiles, and integrated services to simplify your supply chain.
Quality You Can Trust：Strict quality control ensures consistent dimensions, strength, and finish, reducing your risk and increasing reliability.
Fast Delivery & Cost Efficiency：Self-produced billets, in-house processing, and batch production mean faster lead times and lower overall costs.
Advanced Finishing Options：Anodizing and both vertical and horizontal powder coating lines deliver durable, high-quality surface finishes tailored to your product needs.
Factory Overview
Furnace workshop
Aluminum bar production
Mold Warehouse
500-5500 Tons Extruder
Spraying workshop
Anodizing workshop
Deep Processing Workshop
CNC Machining Workshop
Finished goods warehouse
Finished goods warehouse
Finished goods warehouse
Export warehouse
5500 Ton Extrusion Press
Aluminum extrusion press
Large Aluminum Extrusion Line
Aluminum extrusion production line
Extrusion workshop
IATF 16949 Certification
TUV
Finished goods warehouse
Export warehouse
-Standard Packing Option-
* Long bar length profiles 3.0-6.0 meters*
Protective Film
Shrink Sleeve
Brown Paper
Craft Paper
* Short bar length profiles 0.3-3.0 meters*
EPE Foam
Poly Bag
Wooden Crate
Wooden Case
-Loading & Shipment-
Pallet Loading
Bulk Loading
LCL Loading
Expedited Express
STEPS
How to work with us
Sample & Test
Creating a prototype to assess dimensions and ensure the mold's precision aligns with the requirements.
Extrude & Finish
Producing the aluminum profile with pinpoint accuracy to the given specifications and applying desired finishes.
Pack & Deliver
Tailored packaging for the extruded profiles, ensuring safe and efficient loading for prompt delivery.
Cold Plate Heat Sink-FAQ's
What is the thickness range for the cold plate?
The thickness varies from 3.5 mm to 5.0 mm to meet different integration needs.
Which materials are used?
We use high-performance aluminum alloys-6063-T5 or 6060-T6-known for thermal efficiency and mechanical strength.
How do you achieve uniform temperature?
We utilize a phase-change design that maintains consistent temperature distribution across the plate.
What surface finishes are available?
Gold anodizing is standard; however, other finishes can be customized per your design needs.
Which manufacturing techniques are applied?
Advanced processes like friction-stir welding, vacuum brazing, CNC turning, drilling, milling, cutting, bending, and punching are available.
What industries is this suited for?
It’s ideal for military and aerospace electronics requiring high-standard heat dissipation across multiple components.
How quickly can samples be produced?
Samples are typically delivered within 5-7 working days for rapid prototyping.
Do you support customized sizing and service?
Yes-we offer full ODM/OEM support with customized dimensions, treatments, and sample services.
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Sinoextrud: Your Cold Plate Heat Sink Manufacturer
Cold Plate Heat Sink is a precision-engineered solution optimized for high-end thermal management in military and aerospace electronics. With a slim 3.5-5.0 mm profile and phase-change design, it ensures uniform heat distribution across multiple sources.
Constructed from alloys such as 6063-T5 or 6060-T6, this plate delivers excellent thermal conductivity and structural integrity. The gold-anodized or custom-treated surface provides enhanced protection and tailored appearance.
Manufacturing involves advanced processes-friction-stir welding, vacuum brazing, CNC turning, milling, and precision bending-to deliver components with tight tolerances and durable performance.
This product is ideal for compact, high-output systems where efficient, uniform heat dissipation is critical. Its design aligns with stringent military/aerospace thermal control standards.
We support full customization through ODM/OEM services, backed by a fast sample lead time of 5-7 working days-ensuring quick iteration and trusted quality.
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