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Extruded Heat Sink

Extruded Heat Sink

  • High thermal conductivity: Constructed from premium aluminum alloys (AA6063, AA6060, 6001, 7075 etc.) to ensure efficient heat dissipation.
  • Deep-fin, hollow design: Features multiple deep fins and hollows-e.g., a 7-hollow structure-for maximized heat transfer surface area.
  • Two-piece extrusion option: Complex extrusions can be produced in two parts and assembled to enhance precision and shape integrity.
  • Multiple surface finishes: Options include raw, silver or black anodize, blasting anodize, polish, powder coating to meet aesthetic, functional, and corrosion-resistant needs.
  • Lightweight yet strong: Advanced design reduces weight by up to 30% while retaining structural robustness.
  • Integrated mounting features: Designed with integrated mounting solutions to simplify installation and reduce additional hardware requirements.
  • Eco-friendly and recyclable: Made of aluminum, supporting sustainability and full recyclability.
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    Extruded Heat Sink Product

    Square Aluminum Heat Sink Profiles
    Square Aluminum Heat Sink Profiles
    Car Amplifier Heatsink Cooling Fin
    Car Amplifier Heatsink Cooling Fin
    6063 LED Extrusion Heat Sink
    6063 LED Extrusion Heat Sink
    Large Extruded Aluminum Radiator
    Large Extruded Aluminum Radiator
    Custom Anodized Aluminum Enclosure
    Custom Anodized Aluminum Enclosure
    CNC Milling Aluminum Heatsink
    CNC Milling Aluminum Heatsink
    Die-Cast Aluminum Cooling Fin
    Die-Cast Aluminum Cooling Fin
    Bright Black Anodized Heat Sink
    Bright Black Anodized Heat Sink

    Customization Capabilities

    Explore our flexible customization services to meet your precise thermal management needs.

    • Alloy Selection: Choose from AA6063, AA6060, 6001, 7075 and more.
    • Number of Fins/Hollows: Adjustable design, e.g. 7 hollows or more.
    • Extrusion Segmentation: Option to manufacture in two parts for complex profiles.
    • Surface Finish: Raw, silver anodized, black anodized, blasting anodized, polish, powder coating.
    • Finish Color Options: Standard silver or black; custom powder coating available.
    • Mounting Features: Integrated holes or brackets per customer design.
    • Ordering Quantity: Tailored MOQ based on design complexity and volume.
    • Packing Method: Strong cardboard with wooden sticks or as per customer requirement.

    Got a design, sketch, or idea? Share it with us for fast feedback

    Contact us

    Why Partner with Sinoextrud for Your Extruded 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

    Start A Project today
    • Quote & Estimation

      Begin with a thorough evaluation of the design's feasibility, followed by a prompt, detailed estimate.

    • 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.

    Extruded Heat Sink-FAQ's

    What sizes and profiles can you support?
    We support a wide range of custom sizes and complex profiles, including designs with up to 7 hollows and deep fins tailored to your requirements.
    What alloys are available for the extruded heat sink?
    Common options include AA6063, AA6060, 6001, 7075-select alloy based on thermal and structural needs.
    Can you manufacture complex profiles in multiple parts?
    Yes, complex extruded shapes can be divided into two parts and assembled to enhance precision.
    What surface treatments do you offer?
    We offer raw, silver or black anodize, blasting anodize, polish, and powder coating options.
    What is the typical delivery time and MOQ?
    Delivery within 12 working days; MOQ based on quantity and complexity, contact us for specifics.
    How is quality controlled?
    We implement stringent QC procedures and packaging in strong cardboard with wooden sticks or per your requirements.
    Can you help with mounting integration?
    Yes, we offer integrated mounting features designed into the heat sink, per customer specifications.
    Is your product environmentally friendly and recyclable?
    Yes, fully recyclable aluminum and aligned with eco-friendly manufacturing practices.

    Products You May Looking for

    Still have questions? Contact us — we’ll reply within 12 hours.

    Contact us

    Sinoextrud: Your Extruded Heat Sink Manufacturer

    Our extruded heat sinks leverage high-performance aluminum alloys, delivering unbeatable thermal conductivity for demanding electronic applications. Whether you need deep-fin designs or hollow structures, our advanced extrusion capabilities ensure precise, effective solutions.


    The extruded heat sinks are ideal for industries like power electronics, LED systems, solid-state relays, and industrial automation, providing reliable thermal management in harsh environments. Their lightweight yet robust design simplifies installation without compromising strength.


    Surface treatments such as anodizing and powder coating not only enhance corrosion resistance but also offer aesthetic flexibility. These finishes ensure long-term durability and appearance retention in diverse operational settings.


    Our manufacturing process supports deep customization-from alloy selection to extrusion segmentation, surface finish, and integrated mounting. This flexibility allows clients to achieve optimized heat sink performance tailored precisely to their assembly and design needs.


    Backed by experienced R&D, engineering, and QC teams, our extrusion facility delivers efficient lead times, consistent quality, and cost-efficient solutions. Partner with us to enhance your product’s thermal management capabilities and overall competitiveness.


    Extruded Heat Sink : The Ultimate FAQ Guide

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