Start Form 200KG
Quote & Estimation
Begin with a thorough evaluation of the design's feasibility, followed by a prompt, detailed estimate.
Home > Cylindrical Heat Sink Manufacturer
Cylindrical Heat Sink
Cylindrical Heat Sink Product
Customization Capability
Tailor your cylindrical heat sink solution with flexible material, shape, finish, and machining options to meet precise thermal and integration requirements.
- Material: Aluminum or Copper
- Shape: Round, Square, Flat, or customized forms
- Thickness: From 0.4 mm up to 20 mm or customized
- Tolerance: High-precision finish with ±0.01 mm tolerance
- Surface Finish: Anodizing, Powder Coating, Electroplating, Polishing, Sandblasting, PVDF, Brushed, Painted, Silver Plating, Mill Finish
- Deep Processing: CNC machining, Drilling, Milling, Cutting, Stamping, Welding, Bending, Assembling
- Lead Time: Sample 7-10 days; Custom extrusions 15-35 days post-confirmation
Got a design, sketch, or idea? Share it with us for fast feedback
Contact us
Why Partner with Sinoextrud for Your Cylindrical 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.
Cylindrical Heat Sink-FAQ's
What materials are available for the cylindrical heat sink?
Both aluminum and copper materials are supported to suit different thermal conductivity requirements.
What shape and size options do you support?
We offer round, square, flat, and fully customized forms with thicknesses from 0.4 mm to 20 mm.
What level of dimensional accuracy can you guarantee?
Precision manufacturing with tolerances up to ±0.01 mm ensures consistent quality.
What surface treatments can be applied?
Various options are available, including anodizing, powder coating, polishing, sandblasting, electroplating, PVDF, painted, brushed and silver plating.
Do you provide machining and fabrication services?
Yes - services include CNC machining, stamping, welding, bending, cutting and assembly.
Is there any MOQ or tooling charge?
No MOQ, no tooling fee; free samples are available and many standard shapes ready in stock.
How fast can I receive a sample or custom order?
Samples ship in 7-10 days if in stock; customized extrusion typically requires 15-35 days after confirmation.
What inspection and quality assurances are in place?
Multi-stage inspection and certification-ensuring outstanding thermal and structural performance.
Can your team assist with product design or tooling?
Yes - our engineers provide full OEM/ODM support to optimize climate efficiency and integration.
What packaging and delivery methods are available?
Standard export packaging is used; expedited or tailored logistics solutions are available for shipping.
Products You May Looking for
Still have questions? Contact us — we’ll reply within 12 hours.
Contact us
Sinoextrud: Your Cylindrical Heat Sink Manufacturer
Our cylindrical heat sinks offer superior thermal management thanks to high-conductivity materials and precision extruded design.
Tailored for diverse industrial applications, from LED lighting and communication devices to welding machines, inverters, power supplies, and IGBT/UPS cooling systems.
Finished with a range of surface treatments, including anodizing, powder coating, electroplating, and more, to suit both functional and aesthetic demands.
Advanced deep processing services-such as CNC machining, welding, stamping, bending, cutting and assembly-ensure readiness for seamless integration into your end products.
With low MOQ, free samples, responsive engineering support and strict quality control, we deliver cost-effective, reliable cooling solutions to meet your market and production timelines.
English 
Arabic 
Japanese 
Russian 
Korean 
French 
Dutch 
Czech 
Danish 
Bulgarian 
Estonian 
Finnish 
German 
Hungarian 
Ukrainian 
Spanish